The law of diminishing returns happens when each additional unit of a variable input results in A. an increase in Marginal Physical Product.
B. a decrease in total product.
C. a decline in Marginal Physical Product (MPP).
D. none of the above.

an increase in Marginal Physical Product

Explanation: Diminishing marginal returns occur when: A) each additional unit of a variable factor adds more to total output than the previous unit.

d is the answer

i took the

~coco

answer; i believe the correct answer is (desert storm);