Biotic and abiotic parts of an ecosystem can actually become limiting factors for a population. Which of the following are BIOTIC limiting factors? Sunlight availability for growth of plants
Not enough grass for deer to eat
Drought on the Savannah of Africa
Flooding due a storm surge along coastal areas.

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.

its first and third is your answer i did the qustion the fourth isnt right

the answer is c. nacl