Answer:
So the egg definitely came first.
Explanation:
Dinosaurs laid eggs, the fish that first crawled out of the sea laid eggs, and the weird articulated monsters that swam in the warm shallow seas of the Cambrian Period 500 million years ago also laid eggs. They weren't chicken's eggs, but they were still eggs.
Answer:
it will option D bcs force is zero
Answer:
there were only anaerobic heterotrophic bacteria (the primordial atmosphere was virtually oxygen-free).
I believe we obtain the cells of our test subject from DNA testing
hope it works!!
