What makes a resource sustainable? The question is on the picture

Which describes radioactive decay of a substance

The location of the stomach is the diaprham

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