Answer:
4600-4500 million years ago, the Earth formed and its crust cooled to become solid. 4500-4400 million years ago, the oldest known thing to have formed on Earth, zircon, formed along with solid crust and oceans. 4200-4100 million years ago, the close of the Hadean Period (there are no surviving rocks).
Answer:
The more different the human is between human sperm to the eggs might just look different that every sperm is different because of the way their inherited DNA.
yeh.....
The fundamental unit among them (not derived) is :
Answer:
correct answer is A
Explanation:
nucleus is most important part of a cell as a town hall would be to a city
