It is 200 million years because it has been around for a long time.
I think you might've forgotten something. There is no labels, pictures, or any options. Add some more stuff and I'd be able to help out.
Texas coast in 1926 and 1932. The last seal recorded to be killed by humans was killed on the Pedro Cays in 1939.
Answer:
Net force=120N-90N=30N
30N to the right
B natural changes allow for greater biodiversity
