Hi boys and everyone how are you​

Whats the difference between epinephrine and norepinephrine?

Susan’s wrist is tired from typing on her keyboard all day. she moves her wrist in a circle to stretch it out. what type of movement does her hand make around her wrist?

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.