He thought that only one giant piece of land was called Pangea. The answer is A.
Answer:
Yes
Explanation:
The force and vibration from an earthquake or volcano can cause a landslide. An earthquake can shake the ground vigorously and cause rocks and dirt on mountains to break apart and start to fall down, causing the landslide.
The mutation insertions and deletions are usually more harmful.
I would go with false, because not only 100,000 genes, there are lots to those. and there are not even like 100,000 genes, that is not really possible!!
hope that this helps you! =)