Factors in the environment that make life difficult, only the bacteria with the best trait will survive and reproduce.

2. what was the estimated population of ancient copán? of ancient tikal?

Brainliestttme : )why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology.- it made clear that the u.s. space program was dominant.- most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

How long does each side take in a supreme court case to make its oral argument