Earth its come from urs moms licking places
Answer:
A scientific hypothesis must be testable, and;
A scientific hypothesis must be falsifiable.
Explanation:
I looked it up o-o sorry if its wrong. :3
Answer:
its when certain organisms are better suited for certain enviornments or they have genes that allow them to live in a enviornment without struggle
Explanation:
Answer:
is about 4.6 billion years old
