Because it depends on the amount of humidity and perspiration produced in that area
I would asy thd answer would be d if its not my bad .
Answer:
For normal goods, the income effect and the substitution effect both work in the same direction; a decrease in the relative price of the good will increase quantity demanded both because the good is now cheaper than substitute goods, and because the lower price means that consumers have a greater total purchasing power.
Explanation:
Plant absorb nitrogen gas from bacteria in the soil
