Anyone me with this for b7 non-communicable diseases?

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

In a cladogram' when does a group of organisms branch off

A(n) is a molecule influences the way that a molecule reacts.