Answer: 3.friction
Explanation: friction is a force of resistance acting between objects in contact and tending to dampen their motion
Answer:
The answer would be A
Explanation:
I took the test last year
Explanation: Electron microscopes are the most powerful type of microscope, capable of distinguishing even individual atoms. However, these microscopes cannot be used to image living cells because the electrons destroy the samples.
Answer:
A a(birth rate+immigration)-(death rate)
