CAN SOMEONE PLEASE HELP.
this is a gizmo activity.
please answer 1 and 2

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Which of the following typically characterizes a tropical rainforests

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.