I believe it is D. It would best describe what happened and still happens today.
Answer:
Pea plants mendel used pea planta
Either C or D. I think C, but I'm not too sure...
Answer:
False.
Explanation:
Someone with A antigens can have antibodies.
Even though, they have another disease, does not mean they will not catch antibodies.
Carbon dioxide often cylcles through the atmosphere every 350 years