The Chesapeake bay has been impacted by multiple environmental issues. Which of the following is not one of the major issues that affect the bay?

A. Toxins
B. Lower sea level
C. Sediments
D. Eutrophication

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

What is the most appropriate method of gaining weight (muscle mass)

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations