Agriculture had an advantage over hunting and foraging because it: A:Required less labor than hunting and foraging
B:Improved the regularity and efficiency of food supplies
C:Allowed for greater mobility

B: Improved the regularity and efficiency of food supplies

i think the answer is the one about environmental and social health.

hope this

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