Answer:
Substances from an area of low concentration to and are of high concentration
Answer:
you didnt put the choices, give me the choices and I can tell you
Explanation:
Answer:
2.
Explanation:
2 number ok this is the the answer
Answer: Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
