Answer:
d. If this community produces 3 pounds of fish and 22 pounds of berries, production is efficient but to produce more fish it faces a tradeoff.
TRUE, IF THEY WANT TO PRODUCE MORE FISH, THEY WILL PRODUCE LESS BERRIES
Explanation:
a. Suppose that this community produces 3 pounds of fish and 20 pounds of berries. If it decides to gather more berries, it faces a tradeoff.
FALSE, THEY CAN GATHER 2 MORE POUNDS OF BERRIES WITHOUT AFFECTING FISH
b. When this community produces 4 pounds of fish and 12 pounds of berries it faces a tradeoff, but it is inefficient.
FALSE, THIS COMBINATION LIES ON THE PPF CURVE
c. Suppose that this community produces 5 pounds of fish and 0 pounds of berries. If it decides to gather some berries, it will get a free lunch.
FALSE, IT WILL HAVE TO LOSE SOME FISH