Compared to earth , mercury rotated on its axis very slowly and im wasting my time

What must be true for natural selection to heppen

Which identifies the main purpose of biological taxonomy?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand