dinosaurs are now extinct
The correct option is A.
The observation that the embryos of certain species have physical and genetical similarities in the earliest stages of embryonic development shows that individual development of an organism shows its revolutionary history and this is taken as an evidence of common ancestry. Scientists takes this observation to mean that all life on earth developed from a single ancestor.<span />
I pretty sure that it include both biotic and abiotic. But "C" is wrong. Now your answers are between "A,B and C"
When water from the oceans/seas evaporate up into the atmosphere.
