Answer:
B.
Explanation:
Because if they have traces of RNA in them, then it might be the first genetic material
There are two types of polar climate: ET, or tundra climate; and EF, or ice cap climate. A tundra climate is characterized by having at least one month whose average temperature is above 0 °C (32 °F), while an ice cap climate has no months above 0 °C (32 °F).
I know how to do punnet squares, but could you show the full question please?