What is the answer is it. a b c or d

Which of the following is an example of this type of co-evolution

Energy derived from hot rocks and fluids beneath the earth’s surface is

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