One problem with aquaculture is that:
a. few food crops grow underwater.
b. enclosures are too costly to build.
c. it meets only 1/5 the demand for fish.
d. farmed fish eat chow made from fish.
e. it uses too much water.
Question 2
What causes the loss of a third of food produced worldwide?
a. agricultural runoff
b. food waste
c. global warming
d. local warfare
e. animal feeding