Answer:
The correct answer is option D.
Explanation:
Thermohaline circulation is the circulation of currents in the deep ocean due to the density of the water which is controlled by heat and salinity. Water in the ocean posses layers or defined boundaries based on the density which provides driving force to the deep ocean currents.
Formation of these layers is due to the sinking of the cold water in the basin which and ice formation which leaves the salt in the seawater ,therefore, increasing salinity. This increased salinity increases its density and the surface water is replaced by the sinking water causing deep ocean currents.
Thus, option D is the correct answer.
Answer:
the answer would be d
Explanation:
i know this because i just took the test, hope this helps!!
Chemical reactions are the result of an atom attempting _____.
to reduce the number of electrons
to become electrically neutral
to rearrange its configuration to result in a complete outer shell or have a stable octet.
to become positively or negatively charged
Answer:
The answer is C
How water and oxygen are transported through the cellular membrane? A) diffusion and osmosis B) facilitated transport and pinocytosis C) pinocytosis and avtive transport D) pinocytosis and diffusion
the answer is ( pinocytosis and diffusion )
Long before man was a dominate species on Earth, there were shifts in Earth's climate. According to the data recorded in the graph seen here, we would assume that a major climatic shift on Earth, from tropical to frigid, occurred about 34 million years ago. We know there have been several ice ages on Earth. If such climatic shifts are naturally occurring and not the result of some catastrophic event like an asteroid impact, how can we explain them?
Natural global warming, interglacial periods and natural cooling, glacial periods, are considered to be initiated by Milankovitch cycles. These orbital and axial variations influence the long-term natural climatic cycles.
Answer:
Before man became dominant species on Earth, the Earth has experienced many climate changes.
Explanation:
Geological records shows that there were many changes in climate such as ice ages, hot conditions, oxygen devoid condition, acidic ocean, with massive extinction. These changes in climatic conditions were caused by orbital wobbles, fluctuation in solar radiations, and continents movements.
As the solar energy output is not constant at all times, it is one of the reasons for changes in climate. Besides, the earth's orbit around the sun is not circle but ellipse, hence the earth would appear to be warmer when the distance between the sun and earth is closer causing temperature changes. Another factor is rotation of the earth on its axis which is inclined at an angle. The angle changes with time causing certain periods to be with warmer summer and colder winters
In general, did the simulated mice align with your predictions from the Punnett squares?
Yes or No?
Answer:
yes
Explanation:
Studies have revealed that the simulated mice were said to align with the predictions from the Punnett squares. So the answer is Yes.
What is Punnet Square?The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. The reason why some of the percentages did not exactly match your predicted results is that the Mice don't have a large litter, so the sample size was not large enough.
The diagram is used by biologists to determine the probability of an offspring having a particular genotype. The inherent assumption is that each trait is determined by a single gene locus, and that various traits assort independently of one another.
Though this is true for many useful traits, especially when choosing characters for plant or animal breeding, there are many exceptions.
This tool was created in the twentieth century, much after Mendel’s seminal experiments on genetics. However, they are now commonly used to explain the results that Mendel obtained, especially when combined with our current knowledge of DNA, genes, and chromosomes.
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what does it mean when a part of the immune system does not function properly?
Our immune system is made up of special cells, tissues, and organs that work together to protect against foreign microbes. When a part of the immune system does not function properly, it might lead to a condition called low immune system. It is nothing but weakness in the body’s natural ability to fight against diseases. People with low immunity show frequent colds, more susceptibility to flu and more serious illnesses.
What is the most likely reason for using the following model?
The object is too small.
The object represents a set of data.
The object cannot be directly observed.
The object represents a prediction about the future.
Final answer:
Models are used when the object cannot be directly observed to represent a set of data or a prediction about the future. They simplify complex concepts or phenomena, making it easier to understand and analyze them.
Explanation:
The most likely reason for using a model when the object cannot be directly observed is that the model serves as a representation of the object. In this case, the object represents a set of data or a prediction about the future. Models are used to simplify complex concepts or phenomena, making it easier to understand and analyze them. For example, statistical models are used in weather forecasting to predict the likelihood of rain at a given time. Models are not always perfect, but they provide a useful tool for scientists to study and make predictions about the real world.
PLEASE PLEASE PLEASE HELP!!!!!!!A population has a small size, high level of genetic drift, and very little migration into the population. What will most likely happen to the genetic diversity in the population over time? A. Genetic diversity will increase because the existing alleles will mutate into new alleles. B. Genetic diversity will remain unchanged because genetic drift does not have much of an impact on small populations. C. Genetic diversity will remain unchanged because high levels of genetic drift offset low levels of gene flow. D. Genetic diversity will decrease because existing alleles will be lost and few new alleles will be introduced.
Answer:
D. Genetic diversity will decrease because existing alleles will be lost and few new alleles will be introduced.
Explanation:
Genetic drift is a very important factor that brings changes in gene pools over a period of time. Although genetic drift can happen in the population of any type or size but its effects are more evident in small populations.
So as mentioned in question that three conditions: population has a small size, high level of genetic drift, and very little migration into the population.
It means that in small population where genetic drift is high,alleles are either lost by a population or there will be only few alleles present at specific gene loci of population. This will cause decrease in genetic diversity specifically because of small size of population.
What happens that genetic drift causes random sampling in population like some reproduce while others not, for example see the population of butterflies in image. Genetic drift caused only blue ones to multiply and reproduce while others just could not reproduce, This lead to a population 2 with low genetic diversity that is quite evident.
Hope it help!
Answer: The answer is at the bottom hopes this helps have a nice day. :)
what is mitosis i want to know for a test
mitosis is dealing with your body
Mitosis is basically cells dividing themselves to multiply. Say you have a cut on your skin. You put a bandage on it, and a couple days later, the cut is gone. You would just think, "Huh! Band-aids are magical!" but, no. Mitosis did that. Ever look in the mirror and wonder how you went from an infant to where you are today. Mitosis did that. Mitosis is the process of cells using asexual reproduction to multiply into exact replicas of themselves. They use genetic information from the nucleus to make replicas of themselves. Their replicas then go on to that cut as a skin cell. Fun fact: overused mitosis is the cause of cancer.
Definition: a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
I hope this helped! Good luck on your test!
Shelia was abducted from a school football field, taken to a bank, and forced to withdraw money from an ATM machine. Afterward, she was left abandoned in a car at a local park. Which is the primary crime scene?
A) bank ATM
B) car
C) park
D) football field
Eliminate
Well that would start at where it happend at the football field>
The football field would be the primary crime scene because it is where it all started. The cause was she’s was abducted from the football field and all the effects happened after.
Which term identifies proteins that allow muscles to shorten or lengthen? tissue enzymatic connective contractile
Answer:
Contractile
Explanation:
If you want to know the damage that an earthquake of a 7.0 magnitude can do, refer to a _____.
1) Mercalli intensity scale
2) tiltmeter Richter scale
3) moment magnitude scale
Answer:
Option 1, Mercalli intensity scale
Explanation:
Mercalli intensity scale is used to measure the intensity of an earthquake. The effect of an earthquake felt on the surface of earth is called intensity of earthquake. Thus, mercalli scale is to determine the after affects of an earth quake based on its intensity. For example – For a scale of 7, , it can be stated that considerable damage must have been caused to the built structure as at this scale the ground must have shifted therefore the structures built on it would definitely have felt some impact.
Katie helped Sandra with her homework. In return, Sandra helped Katie learn how to rollerblade. Katie didn't expect to get some extra help, but now Katie is inspired to give Sandra help again, since it seems Sandra always returns a favor. What does this situation describe?
the difficulty of discerning truth
the opposite of cynicism
the paradox of altruism
giving to others will create expectations
you see katie helped sandra with homework, which helped sandra not fail. Because katie did not let sandra fail, sandra can graudate and get a job. She can also thank katie for not letting sandra fail and go homeless.
sandra helped katie rollerblade. which has no significant impact. Who cares about rollerblading.
your answer is C
Anna looks around the skating rink and notices many examples of the movement of thermal energy. For example, she sees her friend holding a cup of hot chocolate in the cold rink. Thermal energy flows from
The thermal energy always flows from the hotter to the colder region.
In case of a hot drink such as the hot chocolate, the thermal energy of the drink present in the vessel is high, which makes the drink hotter. the thermal energy in this case flows from the drink to the environment, as it is in direct contact with the outside environment. the temperature difference between the drink and the environment creates an energy gradient, which make the energy flow from drink to environment.
Thermal energy flows from Anna's friend's hot chocolate to the cold air in the skating rink, as heat naturally moves from higher to lower temperatures.
Anna's observation exemplifies the Second Law of Thermodynamics, which states that heat spontaneously flows from hotter objects to colder ones. In this case, the hot chocolate serves as the hotter object due to its higher temperature compared to the chilly rink's air. Thermal energy transfer occurs through conduction, as the hot chocolate is in direct contact with the cup, and the cup is in contact with the air.
As heat is transferred, the hot chocolate cools down until it reaches thermal equilibrium with the surrounding environment. This common scenario highlights the ubiquitous nature of thermal energy movement and its adherence to fundamental thermodynamic principles.
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The complete question is:
Anna looks around the skating rink and notices many examples of the movement of thermal energy. For example, she sees her friend holding a cup of hot chocolate in the cold rink. Thermal energy flows from?
A dominant allele masked the effects of a recessive allele
True
False
What are plasmids? enzymes that cut DNA enzymes that bond genetic material together small rings of bacterial DNA simple organisms with only one chromosome
plasmids are small, extra chromosomal circular DNA that is distinct from cells chromosomal DNA. It is usually found in Bacteria.So, the answer is Small rings of bacterial DNA.
What is relationship between light intensity and gas production?
A channel that opens in response to the binding of a specific molecule, which is usually not the solute that
passes through the channel is called a ________.
The answer is ligand gated channels.
Ligand gated channels are also called as ionotropic receptors that open in response to the binding of specific ion, which is generally not solute. These are made up of particular set of transmembrane proteins that open and close to allow the movement of ions like K+, Na+ that passes through the plasma membrane in response to binding of the chemical messenger.
A channel that opens due to a specific patch list but doesn't inescapably transport that patch is known as aligand-gated channel, playing a vital part in whim-whams signal transmission.
A channel that opens in response to the list of a specific patch, which is generally not the solute that passes through the channel, is called aligand-gated channel. These channels are a type of ionotropic receptor because when the ligand, frequently a neurotransmitter in the nervous system, binds to the protein, ions can cross the membrane changing its charge. Ligand-gated ion channels are pivotal for the rapid-fire transmission of signals across the synaptic gap between neurons.
Why does poaching occur? Give three examples of species that are threatened by this illegal activity.
My answer will be because poaching is a business. And this business moves millions of dollars in the world every year. In addition, it provides food and resources to thousands of people around the world, but it also seriously threatens the lives of millions of species and the balance of their ecosystems, among other problems.
Among the species threatened by this illegal negcocio are:
1. Mountain gorillas
2. White shark
3. The white rhinoceros, enter others.
Poaching occurs due to high demand for animal products, lack of regulation, and the profitability of illegal wildlife trade. Rhinoceroses, elephants, and tigers are among the species threatened by this illegal activity.
Explanation:Poaching occurs for various reasons, such as the high value of certain animal products on the black market, the lack of effective regulation and enforcement in conservation areas, and because of the demand for bush meat and traditional medicine. This illegal activity directs poses a significant risk to the survival of many species, with dire ecological consequences. Species threatened by poaching include:
Rhinoceroses - poached for their horns that are valued in traditional medicine and as status symbols.Elephants - hunted for their ivory tusks which are highly valued in the arts and as ornaments.Tigers - targeted for their skins and body parts, which are used in traditional Asian medicine.Additionally, poaching is exacerbated by factors such as the tragedy of the commons, where resources are depleted due to shared usage without individual accountability, and the high profitability of illegal trades compared to the conservation of species. Efforts from governments and conservation organizations are crucial to enforce poaching laws and protect endangered species.
Which of these statements describes the state of voting rights from colonial times until 1971?
A) they became more limited
B) they became more complicated
C) they were extended to more people
D) they were extended to only selected groups
C) they were extended to more people
Sandstone, shown below, is one kind of rock that forms in horizontal layers. If a stack of rock layers has not been disturbed since it formed, the layers are toward the bottom and the layers are toward the top.
THE ANSWER IS
OLDER,YOUNGER
PLEASE HELP!!!!!!!!!
What are the basic cell structures involved in diffusion???
help !!!
i will give you brainliest!!
please help!
A patient mangled his left hand in machinery requiring amputation at the wrist. the wound has healed and the patient is fitted with an artificial hand. the device has a molded socket, flexible elbow hinges and triceps pad. a total of 30 minutes was spent training the patient to use the prosthesis. what codes are reported for the prosthesis, training and diagnosis?
The correct answer is 97761 * 2, L6050, Z44.8, Z89.11.
In the CPT index when one looks for Prosthetics/Training, then one is directed towards 97761. The code is repeated for every 15 minutes. As 30 minutes are spent in training, so 2 units are reported. In the HCPCS level II codebook when one looks for Disarticulation/Wrist prosthesis, one is directed towards codes L6050, L6055. On the basis of description, the prosthesis is reported with code L6050.
In the alphabetic index of ICD-10-CM, when one looks for fitting/device NOS/prosthetic (external), then one is directed towards the code Z44.8. In the index when one looks for the absence of organ or part (complete or partial)/wrist and hand (acquired) then one is referred towards the code Z89.11.
Which of the following statements is FALSE? A) Errors in chromosome separation are rarely a problem for an organism. B) Errors in chromosome separation can result in a miscarriage. C) Errors in chromosome separation can result in cancer. D) Errors in chromosome separation can result in a child with severe handicaps. E) Errors in chromosome separation can cause numerous problems for an organism.
The false statement is: (A) Errors in chromosome separation are rarely a problem for an organism.
Errors in chromosome separation, (chromosomal abnormalities/ aneuploidies) can cause significant problems for an organism. These errors occur during cell division, either in meiosis or in mitosis. When chromosome separation is not accurate, it can lead to the formation of cells with an abnormal number of chromosomes.
If there are significant chromosomal abnormalities in the developing embryo, it can lead to miscarriages. Certain types of cancer are associated with specific chromosomal changes, such as translocations or deletions. Chromosomal abnormalities, like Down syndrome (Trisomy 21), can result in severe intellectual and physical disabilities.
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It's A right??? I'm like 10000000% positive it is..
A person trapped outside during a thunderstorm should
A) lie in a ditch or other low-lying area.
B) get out of a car and take shelter under a tree.
C) stay away from trees, water, and tall objects.
D) run away from the thunderstorm as quickly as possible
if it's a thunderstorm, that means there's lightning, not necessarily a tornado. You're thinking of a tornado. Lightning may strike trees, water, and tall objects, so it's best to stay away from them. The answer is C
The correct answer is option C, stay away from trees, water, and tall objects.
Reason -
Whenever there is a thunderstorm , one must try to stay in place that are devoid of material conducting electricity. In case if some one hide under a tree during a thunderstorm, there are high chances that if lightning hits the tree, the ground charges will spread in all directions thereby leading to more serious causalities.
Which of the following rocks would most likely contain a fossil?
sandstone
granite
marble
basalt
Answer: Option A. "Sandstone"
Explanation:
Fossils are the remains of dead animals and plants formed under rocks from millions of years.
There are basically three types of rocks metamorphic, igneous and sedimentary.
Sandstone are the type of sedimentary rocks, in which most of the fossils are found. they are made up of rock grain formed in low temperatures and pressures which do not harm remaining fossil. fossils of mastodons and dinosaurs are the example found in sandstone.
Whereas granite and basalt (igneous rocks) and marble (metamorphic rocks) are formed under very high heat and pressure that can destroy fossil remains.
Hence, the correct option is A.
The rocks that would most likely contain a fossil is sandstone. The correct option is A.
Sandstone is the one of the listed rocks that is most likely to contain a fossil. Sand grains accumulate and cement together to form sandstone, a sedimentary rock.
Because they are formed by the deposition of sediments, including the remnants of plants and animals, sedimentary rocks are renowned for their capacity to preserve fossils.
Ancient species that became trapped in sedimentary rock strata and were later preserved over time are frequently found as fossils there. The porous structure of sandstone and its capacity to retain water make it an ideal setting for the preservation of fossils.
Contrarily, igneous rocks like granite, marble, and basalt form from lava or molten material and are less likely to contain fossils.
Thus, the correct option is A.
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Your question seems incomplete, the probable complete question is:
Which of the following rocks would most likely contain a fossil?
A. sandstone
B. granite
C. marble
D. basalt
Tick sucking blood : parasite-host ::
a) deer eating shrubbery : consumer-carnivore
b) shrimp cleaning fish teeth : parasite-herbivore
c) orchid on a tree : producer-consumer
d) lion eating a zebra : predator-prey
If this is asking which is correct it would be d. :)
DNA in the nucleus unzips and mRNA forms a copy of the gene. It then moves out of the nucleus to the ribsome where is matches its codone to the anti codon of a tRNA molecule. The amino acid attached to the tRNA then bonds with other amino acids to form a polypetide strand forming a protein. What is the best description of the process described in the statements.
Dentify the interaction used to describe each type of interdependence among organisms. The red-billed oxpecker (a bird) eats ticks off the fur of an impala (a type of antelope). The oxpecker receives food and removes the ticks from the impala. Titan triggerfish move large rocks in the ocean to find food. In return, smaller fish are able to eat because the moved rocks expose food. The titan triggerfish are not affected.
The type of the interaction that defines the type of interdependent relationship among the given organism is as follows:
1. The red-billed oxpecker eating ticks off the fur of the impala shows mutualism. The oxpecker receives food by eating the ticks and the impala get rids of the ticks. Here, both the organisms are benefiting from their relationship, and hence, it is mutualism.
2. The titan triggerfish moves large rocks to find food, which in turn helps other smaller fishes to eat the exposed food. In this relationship, the smaller fishes are benefiting while the triggerfish is neither harmed or benefited. Hence, this shows commensalism.
Answer:
The correct answer is mutualism and commensalism.
Explanation:
An ecological relationship is the interaction of species or organisms living in an ecosystem depending on environmental conditions and food webs. This interaction could be inter-specific (between two species) or intra-specific (among same species).
According to the question, there are two cases of interaction which shows the following interaction:
1. The Oxpecker and Impala- an example of "mutualism" as both the bird and impala are benefited as bird receives food and ticks are removed from impala.
2. Titan Triggerfish and smaller fish- an example of "commensalism" as Tigerfish is not affected while small fishes get benefited by the movement of large fish.
Thus, mutualism and commensalism is the correct answer.
In regard to the estuary conservation strategy involving the removal of contaminated substrate, which of these statements are true?
Select all that apply.
A
It is one of the least expensive strategies for conserving estuaries.
B
It disturbs the biotic factors of the estuary floor.
C
It reduces contamination of the water and substrate of the estuary.
Answer: B. It disturbs the biotic factors of the estuary floor.
C. It reduces contamination of the water and substrate of the estuary.
Estuary is a partly enclosed water body which receives water from the streams of rivers and sea. An estuary is a wetland where freshwater river streams meets the ocean water. Therefore, estuary exhibit accumulation of brackish water.
Sedimentation of bed of estuary is caused when the rain, rivers and streams wash off the sediments from the land into the estuary. The sedimentation is speed up by the pollutants being discharged by the agricultural and industrial waste. The accumulation of sediments disturbs the aquatic life and if the sedimentation exceeds, the water in the estuary will dry and estuary will be converted into dryland.
The removal of sediments or contaminated substrate from the estuary can disturb the biotic factors as this measure will remove the plants already growing on the substrate. This may kill the aquatic animals as they may also come out of water along with the substrate.
The removal of contaminated substrate will reduce the contamination of the water. This will help in retaining the aesthetic quality of the region as water will appear clear rather dirty. It will also help to maintain the biodiversity of the estuary water as pollution free water will promote the growth of aquatic plants and animals.