What is the full form CFCs ?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Actual age your first developed of age well comparison age refers to absolute age true or false

Why do oceanic plates tend to subduction when colliding with a continental plate