What’s the function of the president/what does he do as part of the federal government?

the president is responsible for the execution and enforcement of the laws created by Congress. - www.whitehouse.gov

Explanation:

answer; i believe the correct answer is (the willamete valley);

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b