Answer:
They are evaluating a crime that had previously beem done in the 1800s.
The history detectives are searching for the murderer of the texas servant girls. This unknown murderer murdered six African American servants and two white women in a brief phase of time. It was really difficult to conclude if the atrocity was committed by a serial killer or if the atrocity was carried out by a group of persons.
The murderer held and led the women captive from there beds at the dead of the night and led them to a remote location where they were then murdered with a sharp substance, something similar to an axe. A vast majority of the women were sexually abused after they had been held and led captive away from their rooms.
Possible ways the universe might end.
Answer:
Universal heat death, a major freeze, or big rip. Who knows??
Hope this helped.
Withdrawing too much water from an aquifer can cause several issues, including ___?
Answer:
land subsidence,sinkholes,freshwater contamination and having to dig deeper and deeper irrigation wells
How would you describe the relationship between the two variables?
What happens as the light intensity increases?
Answer:
As light increases photosynthesis increases in rate as the plant would have more supply of an reaction due to the sun uv
The desert sand dunes seen here are created through the processes of ___________ and ____________.
Answer:C
Explanation:because why not
Answer:
Weathering and erosion
Explanation:
It is C because weathering creates the sediments and erosion carries them to where they are, and eventually, all the particles and sediments create a sand dune. Hope this helps!
6. If the bullet in problem #6 is traveling 2 meters of the ground, what would the potential energy
bullet be?: :
Final answer:
To find the potential energy of the bullet 2 meters off the ground, use the formula PE = mgh. With the given mass of 10g, converted to 0.01 kg, and the height of 2 meters, the potential energy is calculated to be 0.196 joules.
Explanation:
The question is about the potential energy of a bullet that is 2 meters off the ground. The potential energy of an object can be calculated using the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity (9.8 m/s2 on Earth), and h is the height of the object above the reference point. In this case, we assume that the mass of the bullet is 10g (which can be converted to 0.01 kg for consistency of units) and the height h is 2 meters.
Using the formula:
PE = mgh
PE = 0.01 kg * 9.8 m/s2 * 2 m
PE = 0.196 J
Therefore, the potential energy of the bullet when it is 2 meters above the ground would be 0.196 joules.
1. All electromagnetic energy is visible.
2. Electromagnetic energy is the same thing as heat.
3. Ultraviolet has a frequency higher than visible light.
4. The electromagnetic spectrum includes only visible light and infrared.
5. Radio waves are not really electromagnetic.
6. Only visible light can transmit through a vacuum.
7. All electromagnetic waves are transmitted, reflected, and absorbed depending on the material they hit.
8. All electromagnetic waves have the same frequency.
If the DNA sequence of Species 5 were examined, which percentage of its nucleotide sequence would be identical to
that of Species 4?
A)
below 61%
B)
close to 96%
between 88% and 96%
D
between 61% and 88%
Answer: D
Explanation:
How does angiogenesis effects the body
Answer:
The angiogenesis affects the body
The presence of blood vessels where they shouldn't be found may affect the tissues and leading to an increasement in failure.
The absence of food vessels in a repairing metabolically active tissue may inhibit the repair
It also promotes neoplastic diseases
Explanation:
how do basic trends in hominid evolution from early ancestors to modern human support the theory of evolution?
The basic trends in hominid evolution were terrestrial evolution, large brain, bipedalism, inclusion of meat protein in diet and civilization. These traits evolved over the time and found in modern human.
Explanation:
Hominid evolution is the trend of evolution from ancestors to modern human involving the five steps these are terrestrial evolution, large brain, bipedalism, inclusion of meat protein in diet and civilization.
Evolution is the term used for changes in characteristic features for natural selection or better survival and adaptation to the environment. The human share 99% of genetic sequence with chimpanzee, making the closer evolutionary relationship.
Evolutionary trend is a change in traits or character which results in significant change with time.
The idea of cooking the meat on fire is an example of increase brain size and evolution.
The evidences of bipedal locomotion was seen in several categories of early man studied in fossils show evolution in locomotion.
Bipedal locomotion is an example of transition of life from arboreal to terrestrial life hence terrestrial evolution.
The use of tools came in to existence leading to civilization and increase brain size.
The large energy requirement of brain tissue with increase in brain size meat was opted for fuelling the protein source.
Which statement describes what will most
introduction of the predator?
owal will most likely occur in the rabbit population due to the
A
The rabbits will mutate their genes and e
ace their genes and express genes that increase their speed.
B
Slower rabbits will develop stron
we dobits will develop stronger legs and pass this trait to their ortspning.
Rabbits will mate and produce offspring with a different species
ontspring with a different species that has faster runners.
Faster rabbits will survive and reproduce increasing the a
and reproduce increasing the average speed of the rabbit
population.
Answer:
a, the rabbits will mutate their genes and answer a
Explanation:
Faster rabbits will survive and reproduce increasing the average speed of the rabbit population.
Who is a predator?A predator is an organism that hunts, kills and consumes other living beings for its survival. In the animal kingdom, predators play a crucial role in maintaining the balance of nature. They are typically at the top of the food chain, with prey forming the lower level. The predator-prey relationship is a key aspect of the ecosystem, as it helps regulate the populations of both predators and prey.
The predator species have adaptations, such as sharp teeth and claws, agility, and strength, which help them in capturing and consuming their prey. Some of the common predators include lions, tigers, wolves, and snakes. Their role in the ecosystem is important in maintaining a healthy and stable food chain, which is necessary for the overall health of the environment.
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2 Polhts
What is true of the members of the same population? Select all that apply.
Answer: They are all the same species.
Explanation: A population is defined as a group of individuals of the same species living and interbreeding within a given area. Members of a population often rely on the same resources, are subject to similar environmental constraints, and depend on the availability of other members to persist over time.
Answer:
They are all the same species
Explanation:
AP3X
Why a cell cannot just keep growing
Answer:
A cell cannot just keep growing because the part of the inner portion of the cell grow quickly as compared to outer side of the cell i. e. cell membrane. So we can say that cell membrane is the limited factor which doesn't allow cell to grow bigger in size. The growth of organisms increases not because of cell size increases, it is due to the number of cell increase because of cell division.
Which of the following best describes how mRNA is produced? A. RNA provides a template for rna polymerase. B. Rna polymerase provides a template for dna
Final answer:
The correct option is A. DNA provides a template for RNA polymerase. mRNA is produced from DNA through the process of transcription, where RNA polymerase uses one strand of DNA as a template.
Explanation:
The production of mRNA (messenger RNA) from DNA is a process called transcription. This critical step in gene expression involves the enzyme RNA polymerase, which uses one strand of DNA as a template to synthesize a complementary RNA strand. During this process, RNA polymerase unwinds the DNA and reads the template strand from the 3' to 5' direction, pairing each DNA nucleotide with its RNA complement, but substitutes uracil (U) for thymine (T). The correct answer to the question is A. DNA provides a template for RNA polymerase.
Answer:
DNA provides the template for RNA polymerase.
Explanation:
I took the quiz, and it can be generally guessed at because DNA makes RNA which makes proteins so if you see that on your questions it should be that.
what is the optimal temperature for thermophilic bacteria?
Answer:
optimum growth temperature of 50 or more, a maximum of up to 70C or more, and a minimum of about 20C.
Hope this helps
Are alligators Kings of the Everglades?
Answer:
Somewhat Yes
Explanation:
With the population of over 200,000 in the area and the lack of natural predators it would seem so.
This graph shows three types of species based on the different patterns of survivorship.
Which survivorship strategy is used by the type I species?
A.) having a high birthrate
B.) having a short life span
C.) having few offspring
D.) dying mostly while young
Answer: having few offspring
An organism creates young through a process called reproduction. All living things reproduce. No species would live past one generation if they didn't. Thus, option C is correct.
What is the importance of species having few offspring?Natural selection holds that organisms reproduce more young than they can support in their environment. Those who have greater physical capacity for surviving, developing, and procreating.
Through reproduction, organisms can pass on their traits, or identifying qualities, to their progeny.
Because there are numerous other individuals in a species who can successfully create offspring to maintain the species.
It is unlikely that the failure of one individual to reproduce will have an impact on the species as a whole. However, a species may go extinct if it as a whole is unable to procreate.
Therefore, type I species having few offspring.
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Which of the following illustrates a complex virus?
Answer: d
Explanation:
A characteristic that allows an organism to survive better is called
Answer:
The characteristics of an organism that help it to survive in a given environment are called adaptations.
Explanation:
what was the difference between mendel's work in the inheritance of traits and those done earlier?
There were many differences in ways of approach towards the experiment from Mendel and those before them.
Explanation:Gregor Johann Mendel is known as the father of genetics. He carried out a series of experiments which lead to the deduction of the 2 laws of genetics - the law of segregation and law of independent assortment.
But mendel was not the 1st person to carry out such experiments. But he was the only person who succeeded among them. This is because mendel has several differences from them im his experiments.
Firstly, he chose pea plants which has several easily noticeable characters and he concentrated on one characteristics at a time.
Secondly, he was lucky as the characters he chose were on different chromosomes.
Thirdly, he did his experiment neatly and carried out the artificial pollination with all care so that there's no contamination.
Lastly, he kept careful statistical record of the numbers and characters of progenies.
Finch species living on the Galapagos Islands exhibit a variety of beak types that favor different foods. Finches that eat seeds and plant parts have beaks of the shorter, thicker variety, while finches that eat insects and other small organisms have thin, pointed beaks. 78% of the finches on an island in the Galapagos have beaks that are identical to Finch 1. What conclusion can you reach about the availability of food for the finches on this island?
Answer:
Assuming that by "Finch 1" it is referring to the ones that have short, thick beaks, the answer is that there is primarily seeds and plants on the island
Answer:
C) The insect populations have been severely limited.
Explanation:
When a woman is pregnant her developing baby receives antibodies from her what type of immunity does this describe?
Answer:
passive immunity
Explanation:
Sally's teacher asked her to classify a microscopic organism found in pond water. The FIRST characteristic Sally used to figure what kingdom the organism belonged to was
Sally would first determine if the microscopic organism from pond water has a nucleus to classify it into a kingdom, which would likely place it in the Eukarya domain and possibly the Protist Kingdom.
The first characteristic Sally used to classify a microscopic organism found in pond water into a kingdom would likely be whether the organism has a membrane-bound nucleus. If the organism has a nucleus, it falls into the Eukarya domain, which includes the kingdoms of animals, plants, fungi, and protists. This is because the Three Domain Classification system, proposed by Carl Woese, classifies all living organisms into three categories based on their cell structure and ribosomal RNA (rRNA) sequences: Bacteria, Archaea (both lacking a membrane-bound nucleus), and Eukarya (organisms with a nucleus). Protists are generally eukaryotic organisms that cannot be classified as animal, plant, or fungus, and are common in aquatic environments like pond water.
Different between sperm and ovum?
Answer:
1.Sperm is a male reproductive material that form at the onset of puberty.
2. Sperms are produce in immense amount.
3. Sperms are motile.
Explanation:
1. Ovum is produced in females which is called egg.
2. Ovum is nonmotile.
3. They are produced in limited amount in a process called ovulation.
A pressure difference is also known as a(n) ______
A. pressure gradient
B. pressure measurement
C. stationary front
D. isobar
Answer: A would be correct
Explanation:
Which regions have the greatest diversity of amphibian species why do you think those areas have so many different amphibian species
Answer:
The greatest diversity of amphibians is in tropical forests.
Explanation:
Because amphibians have highly permeable skin and spend a portion of their lives in water and on land they need the the prevalent humidity of the tropical habitat which enables them to occupy a much wider range.
7. What patterns do you see in the DNA molecule?
Answer:
Each base pair is formed from two complementary nucleotides (purine with pyrimidine) bound together by hydrogen bonds. The base pairs in DNA are adenine with thymine and cytosine with guanine. DNA has a spiral staircase-like structure.
Explanation:
DNA molecule is a double helix, having four base pairs, that is adenine, guanine, thymine, and cytosine. Adenine pairs with thymine, and cytosine pairs with guanine.
• The discovery of DNA was done by Watson and Crick.
• DNA exhibits two strands or sides, and these strands are present in the form of a twisted ladder, giving it a look of a double helix.
• In the ladder, the sides constitute the sugar-phosphate parts of adjacent nucleotides bonded together.
• Covalent bonding is found between the phosphate of one nucleotide and the sugar of the next nucleotide.
• Between the phosphates, the hydrogen bonds make the strand of the DNA twist.
• The nitrogenous bases on the ladder are pointed inward and form pairs with the bases present on the other side.
• The complementary pairing of the bases is done, that is, purine pairs with pyrimidines with the help of hydrogen bonds.
• Pairing is done between adenine and thymine and between cytosine and guanine.
Thus, DNA is a double helical molecule having complementary base pairing, that is, purines with pyrimidines.
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Which of the following investigations would likely increase the density of ocean water?
increasing freshwater in the ocean
increasing the melting polar ice
increasing the salinity of ocean water
increasing the temperature of ocean water
Answer:
increase the salinity
Explanation:
just makes sense
Increasing the salinity of ocean water would likely increase the density of ocean water because adding salt increases the number of molecules in the same volume, making it denser.
The question asks which of the following investigations would likely increase the density of ocean water. The density of ocean water is influenced by both its temperature and salinity. According to principles discussed in oceanography, lower temperature and higher salinity result in denser water. Water becomes denser in the poles due to the cold polar air cooling the water and the process of freshwater freezing out of seawater to form sea ice, which increases the salinity of the remaining water.
The correct answer is increasing the salinity of ocean water. This is because adding salt to water adds more molecules in the same volume, making it denser. In contrast, increasing freshwater in the ocean, melting polar ice, or increasing the temperature of ocean water would reduce the density of ocean water by either diluting the salt content or increasing the molecular movement due to heat.
Kevin did not take biology or physical science in high school which means that he cannot pursue a career pathway and health and science
true or false
Describe an external adaptation peppered months have?
Answer: Camouflage and Mimicry
Moths that can blend into their surroundings during rest have a distinct advantage for survival from predation, as exhibited by the peppered moth. This adaptation is known as camouflage. Another moth adaptation is mimicry, which confuses or frightens off predators
Explanation:
Mr. Kim's eighth grade science class was trying to maintain a classroom garden. Unfortunately, the weeds were taking over. Mr. Kim saw a weed killer advertised on TV which said that one application would kill the three most common garden weeds and would be effective for at least one month. Mr. Kim bought some and applied it to the classroom garden. His students kept track of the weeds growing in their garden.
Mr. Kim's classroom garden scenario involves herbicides, which are chemicals used to control weeds, making this a Biology-related question. Three types of control methods in managing weeds are chemical, biological, and cultural control. Herbicides can vary in selectivity and persisted effects, and it's essential to handle them correctly to avoid potential health risks.
Explanation:The story of Mr. Kim's classroom garden involves the use of a weed killer or a herbicide, thus it falls under the field of biology. Herbicides are chemicals that can control or kill unwanted plants such as weeds. They can be non-selective (kill all types of plants) or selective (kill specific types of plants while sparing others). For example, 2,4 D is a selective herbicide that kills most broadleaf plants but spares grasses.
Mr. Kim's approach to weed control in their classroom garden is a type of chemical control, one of the three methods to manage weed populations. The other two are biological control (using living organisms to reduce weed populations) and cultural control (modifying the environment to deter weed growth).
It's important to understand that while the usage of herbicides can be effective, they can also present health risks if humans or other non-target organisms are exposed. Therefore, proper application and management are crucial.
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