Answer: Option (c) is the correct answer.
Explanation:
When there is recombination of atoms to form newer molecules then it is called a chemical change.
For example, [tex]A-B + C-D \rightarrow A-C + B-D[/tex] is a chemical change.
Tarnishing of a silver coin is a chemical change which occurs when silver reacts with moisture in the air as a result silver loses its luster.
Thus, we can conclude that out of the given options tarnishing of a silver coin is an example of recombination of atoms to form newer molecules.
When evaluating arterial blood gases (abgs), which value is consistent with metabolic alkalosis?
The answer to the question being raised about a value that is consistent with the metabolic alkalosis when evaluating an arterial blood gas is pH 7.48. Metabolic alkalosis is a clinical disturbance characterized by a high pH and high plasma bicarbonate concentration. The HCO value is below normal. The PaCO value and the oxygen saturation level are within a normal range.
Which of the following is an element?
water
Soda
Salad
Oxygen (O)
are Asian elephants more closely related to Mammuthus (mammoths) or Mammuts?
Plato Answer:
Asian elephants are more closely related to mammoths because they share more nodes and branches on the phylogenetic chart. This relationship suggests a closer evolutionary ancestry. Mastodons and Paleomastodons are not the same species. There are branches from Paleomastodon and Mammuts that suggest speciation occurred. Mammuts also have common evolutionary ancestors that Paleomastodons do not have.
Inadequate intakes of ________ during pregnancy are associated with neural tube defects in the fetus
What is the major advantage of an orbiting telescope
Answer:
The answer is Orbiting telescopes can make observations to their full potential.
Explanation:
The space telescope is an artificial satellite that is used for the observation of planets, galaxies, stars, among other celestial bodies.
A telescope in space has advantages such as that it does not suffer the light pollution produced by cities, in addition to that it does not observe through the atmosphere (Earth's atmosphere adds an important distortion in the images), so its capacity always yields close of the theoretical maximum.
You are charged with securing a site to build a wind farm as you survey different potential sites you look for the one that
Answer:
In the given question, one should look for the site that experiences wind continuously all throughout the year.
Explanation:
At the time of searching for a location for constructing a wind farm, one should ensure that they are in a place where winds are not too weak and not too strong, and there should be wind all through the year so that one can utilize the power of the wind most efficiently. The wind turbines can be very loud and big, and thus, one should also ensure that they are not threatening wildlife and humans in the region.
Low-level turbulence can occur and icing can become hazardous in which type of fog?
What factor best accounts for the differences in essential fat between men and women?
The presence of different sex hormones, like estrogen and testosterone, is the key factor that accounts for the differences in essential fat between men and women.
Explanation:One of the key factors that best accounts for the differences in essential fat between men and women is the presence of different sex hormones in each gender. Hormones like estrogen in women and testosterone in men play a role in regulating fat distribution and storage. Women tend to have higher levels of essential fat, particularly in the hips and thighs, due to the influence of estrogen. On the other hand, men typically have higher levels of lean body mass and lower levels of essential fat.
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A researcher determined the effect that the dosage of a certain pain medication has on headaches. How would the results best be displayed? A) pie chart. B) bar graph. C) line graph. D) data table.
Answer:
Option C, line graph
Explanation:
A line graph is the best graphical tool to represent any quantity that changes continuously with time.
Here, when certain dosage of a certain medicine (which is to be tested) is given to a patient then the impacts produced by the medicine on the patient will be changing continuously. Thus, in order to capture these continuous changing values, it would be best to use a line graph.
Hence, option C is correct.
All the different plant populations make up the plant ___________ in this swamp. The plants are part of the bigger __________, that contains many biotic and abiotic factors.
A) community:biome
B) community:ecosystem
C) ecosystem:biosphere
D) population:community
Identify one hormone directly involved in the human female reproductive system that could cause this problem
How are the tongue, ears, and nose a part of the nervous system?
A) They are sense organs that are part of the central nervous system.
B) They are sense organs that are part of the peripheral nervous system.
C) They are internal organs that are part of the central nervous system.
D) They are internal organs that are part of the peripheral nervous system.
The tongue, ears, and nose a part of the nervous system, They are sense organs that are part of the central nervous system. Thus, option A is correct.
What is the nervous system?The nervous system is made up of the central nervous system and the peripheral nervous system.The central nervous system, in turn, is made of the brain which controls all the body activities and the spinal cord.The peripheral nervous system, on the other hand, contains the cranial and spinal nerves and connects the central nervous system to the rest of the body.Electrical impulses are carried from the sense organs such as the skin by the nerves to the brain which then interprets the stimulus and sends a response to the organs such as muscles and glands.Thus, option A is correct.
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Tongue, ears, and nose a part of the nervous system because B) they are sense organs that are part of the peripheral nervous system.
The tongue, ears, and nose are essential sense organs in our perception of the world, all part of the peripheral nervous system (PNS), which connects the central nervous system (CNS) to the rest of the body.
Sense Organs:
Ears: The ears contain sensory receptors that respond to sound waves, allowing us to hear. They also help with balance.Tongue: The tongue is equipped with taste buds that are sensory receptors for different tastes, such as sweet, sour, salty, bitter, and umami.Nose: The nose holds olfactory receptors that detect airborne chemicals, enabling us to smell.Function of the Peripheral Nervous System:
The peripheral nervous system (PNS) transmits sensory information from various organs to the central nervous system (CNS), where the brain processes and interprets these signals, enabling us to respond to our environment.
Thylakoids dna and ribosomes are all components found in
Answer:
Thylakoids DNA and ribosomes are all components found in chloroplast of the plant cell. Chloroplast is the double membrane-bound organelle present in plants. Thylakoid sheets are present in chloroplast which contains a pigment called chlorophyll that absorbs sunlight and helps in photosynthesis.
These thylakoids are present in stroma which is the fluid-filled space in chloroplast and contains many enzymes, ribosomes, and DNA of chloroplast. The DNA of the chloroplast is circular and ribosomes are 70s type which resembles the prokaryotic cell.
Many thylakoids stacks together to form granum and many granum together called grana which used to perform the light-dependent photosynthesis inside the chloroplast. Therefore, both thylakoid DNA and ribosomes are found in chloroplast.
A chloroplast, an organelle present in the cells of plants and other photosynthetic creatures, contains thylakoids, DNA, and ribosomes. Chloroplasts are in charge of transforming solar light energy into chemical energy that can be utilised by the cell.
The membrane-bound thylakoids are the parts of the chloroplast where photosynthesis occurs. The genetic material called DNA, which is contained in chloroplasts, contains the instructions for making proteins and other components required for photosynthesis.
The chloroplast's ribosomes are the protein-producing organelles that employ DNA instructions to create the proteins required for photosynthesis. These elements function as a unit to supply the cell with the energy it requires to survive. Chloroplasts are essential.
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When playing the piano, each key has a specific number of times it vibrates. The number of string vibrations correspond to changing what quality of sound?
loudness
pitch
amplitude
range
In pea plants, the allele for round seeds is dominant to the allele for wrinkled seeds. at another gene locus, the allele for yellow seeds is dominant to the allele for green seeds. these two allele pairs assort independently. if a plant breeder crosses two plants that are both heterozygous at both gene loci, what percentage of the plants that produce round seeds will also produce yellow seeds? ( enter the number only without the percent sign.
Which kind of organic molecule is ear wax? (lipid, carbohydrate, protein, or nucleic acid)?
What is the name for the rectangular piece of glass on which you place an object to be viewed while using a microscope?
How does natural selection lead to evolution apex?
Natural selection leads to evolution by favoring individuals with traits that are advantageous for survival and reproduction, leading to these traits becoming more common in successive generations within a population.
Natural selection leads to evolution through a process where individuals with traits better suited to their environment tend to survive and reproduce more successfully than others. The traits that confer a survival or reproductive advantage increase in frequency within the population, making the population more adapted to its environment over time. If the environment changes, or if different traits become advantageous, natural selection can lead to a shift in the population's characteristics, a process known as directional selection. Conversely, when natural selection favors an intermediate phenotype, leading to a decrease in variation within a population, it is known as stabilizing selection. Variation within a population is critical for natural selection to occur; therefore, mechanisms such as genetic drift, gene flow, and mutation are also important in shaping a population's genetic diversity. Evolution is the result of the combined effects of these forces acting on a population's genetic makeup over time.
This is a macromolecule that holds cell information in a coded form. Made of sugar, phosphate and
nitrogen-containing bases.
Example: DNA and RNA
Urinalysis results of a female client shows the 17-ketosteroids value as 25 mg/24 hr. which condition should the nurse monitor for in this client?
How do sound waves, traveling as vibrations, allow for hearing to occur?
What are the basic building blocks of DNA and RNA?
nucleotides
phosphorous
proteins
sugar
Answer:
Nucleotides.
Explanation:
Nucleotides are molecules of monomer units which is made up of 3 components: five carbon sugar ( Ribose in RNA and Deoxyribose in DNA), Nitrogen containing bases ( Purine and Pyrimidine) and a phosphate group.
DNA has 4 nitrogen bases : Adenine (A), Thymine (T), Guanine (G), and Cytosine (C). In RNA instead of Thymine (T), Uracil (U) is present.
The area of the brain that is crucial in expressing and regulating emotions is the
Nick is looking at the beautiful cake his girlfriend made for his birthday. after the visual information enters his eyes the optic nerves send it to his brain. the brain structure that first processes the information before it is sent to the visual cortex is the
The brain structure that first processes visual information before it is sent to the visual cortex is the lateral geni_culate nucleus (LGN).
Light enters the eyes and is converted into electrical signals by the photoreceptor cells in the retina.
From the optic nerve these electrical signals travel along the optic nerve to the brain. The LGN, located in the thalamus, receives the signals and performs preliminary processing, such as sharpening the image and enhancing edges.
The processed signals are then relayed to the primary visual cortex (V1) located in the occipital lobe, where more complex analysis and interpretation of the visual information occurs.
In conclusion, while the optic nerve transmits the initial signals, the LGN is the first structure to process the visual information before it reaches the visual cortex for higher-level processing.
complete question:
Nick is looking at the beautiful cake his girl_friend made for his birthday. after the visual information enters his eyes the optic nerves send it to his brain. the brain structure that first processes the information before it is sent to the visual cortex is the _______
What population group has the highest risk for vitamin k deficiency?
The answer is Newborns. Newborns are the population group that has the highest risk of having Vitamin K deficiency, since newborns cannot immediately take in huge amounts of food and supplements to replenish and maintain the storage of Vitamin K in their bodies, which is why there are some health advisories given by the pediatrician to avoid Vitamin K deficiency in Newborns.
what canyon exists where an ancient river once flowed. briefly discuss how the hydrosphere and atmosphere have carved this canyon into earths surface
Why do areas north of the Arctic Circle in the Northern Hemisphere experience a polar day lasting for several months during summer?
Earth tilts 23.5 degrees above its axis from May to July. This causes the Arctic area at the North Pole of Earth to travel very close to the Sun and during this period the duration of the day increases.
What is a polar day?A natural phenomena known as the midnight sun takes place during the summer months in locations that are either north of the Arctic Circle or south of the Antarctic Circle. This occurs when the sun continues to be visible at the local midnight time.
From May through July, the Earth tilts at an angle of 23.5 degrees above its own axis in its orbit around the sun. This time of the Earth's rotation occurs when it is closest to the sun. This results in the Arctic region at the North Pole of the Earth moving very close to the Sun, which causes the length of the day to rise during this time period.
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When explaining to a class of pregnant women why labor begins, the nurse will include the fact that there are several theories that have been proposed to explain why labor begins, although none have been proven scientifically. which idea is one of those theories?
Do you think osmosis occurs when a cell is in an isotonic solution explain your reasoning
In an isotonic solution, there is no net movement of water into or out of the cell.
Explanation:Osmosis occurs when there is an imbalance of solutes outside of a cell versus inside the cell. In an isotonic solution, the extracellular fluid has the same osmolarity as the cell. This means that there is no net movement of water into or out of the cell.
A scanning electron microscope (SEM) may be used to distinguish between the eggs of different insect species.
True
False