Answer:
Population Growth: Exponential
Subsistence Growth: Arithmetic
Step-by-step explanation:
Thomas Malthus was kind of a pessimist. His theory says basically we will run out of food and die. People grow like this equation: 2^x while food grows like this equation: 2x. So if you understand that it explains it.
PS: is this a biology question??? i remember learning this in AP Human Geography