C. They all contain a transparent part with at least one curved surface that refracts light.
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Energy loss is demonstrated more clearly on an energy pyramid than on a food web.
It’s the letter C.................
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
It’s the control group.
The reason why is because the experimental group is the group in which they are experimenting with while the control group isn’t receiving any experimentation
