the answer is abyssal plain
Answer:
That science was able to find more things and discover a lot more things than 300 million years ago.
Explanation:
the one that is considered a chemcial mutagen is : Tobacco Chemical mutagen refer to the substance that affected the DNA of those who consume the substancce or their offspring. Studies showed that consuming tobacco has proven to created DNA deformations for the fetus if it consumed by pregnant women.
Answer:
go to school and learn somethinggg ,listen to your teacher and you will soon,
Explanation:
The nucleus contains all of the genetic material for a eukaryotic cell, but this genetic material needs to be protected. And it's protected by the nuclear membrane, which is a double membrane that encloses all the nuclear genetic material and all the other components of the nucleus