Answer:
I believe it is A.
Explanation:
Im not 100% sure though so I'm so sorry if it's wrong.
Answer:
evolution
Explanation:
For example, scientists believe that monkeys have evolved to become humans.
This clearly has happened over many millions of years.
Monkeys look really different from humans (don't you think!?).
This was just a random example that came to my head.
Hope this helps.
-Gumina
They can help people by making maps for countries so then they know where things are