Some agricultural sub-Saharan nations of Africa have overfarmed and overgrazed their land to the extent that significant portion
s of it have turned into desert. This suggests that ________. (A) the production possibilities curves of such nations have shifted outward.
(B) the production possibilities curves of such nations have shifted inward.
(C) these nations are operating at some point outside of their production possibilities curves.
(D) the production possibilities curves of such nations are more bowed out from the origin.
(B) the production possibilities curves of such nations have shifted inward.
Explanation:
As the inwards shift of the PPF curves represents a decline or fall in the nations supply-side or the productivity capacity and is due to the factors like the national disaster ad the conditions like the drought and overgrazing have thus create a dessert conditions and it destroys the buildup capital and causes a potential loss of the life.
Green plants absorb light in their leaves and convert it to energy by photosynthesis. Temperature, carbon dioxide concentration and light intensity can affect the rate of photosynthesis.
