"<span>Covered with an enormous sheet of ice" would most likely match Europe, although it should be noted that this was a while ago and changes with time. </span>
C. From carbon dioxide in the atmosphere
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:
Thru their stomata i think
