Can someone help me with bio look at my acc for the question

Which of these statements are true about scientific theories and hypothesis

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

Explain how the political influence of african americans leaders became weaker.