Answer: Wear eye protection, rubber gloves
Handle acid with care and follow CLEAPSS or SSERC guidelines on its use.
Answer: D. The DNA sequences for the cytochrome c genes in chimpanzees and spider monkeys are over 90% identical.
Cytochrome c gene encodes for a protein that is very common among primates. This gene does not have undergone much changes during the process of evolution. Cytochrome c is a respiratory pigment found in the mitochondria of eukaryotes.
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A. He should add shells that are different colors, but the same size and type, to the tank and observe which shells the hermit crabs choose.
Durning an experiment you need to keep everything the same but only change the certain things based on your theory.
Such as how the student wanted to see if the color attracted the crab. If he had changed the size and type of the shell then the crab would have chosen the bigger one as they tend to grow into larger shells.
C. Glaciers cause erosion through the movement of large chunks of ice, which are deposited and form depressions
Explanation:
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