I believe the answer would be D because when they collide they move the Earth
Answer:
Viruses needs to inject the virus to an organism's body, or host cell and duplicate as many viruses, so it can be able to insert it's own clones and take over the body sooner :3
Explanation:
:3
Answer:
Darwin's theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
examples: the giraffe's neck became longer as it stretched then they passed it to there children.
Explanation:
I would go with b? That just in my opinion tho