The answer is concrete laundry trays.
This is because as concrete trays ages with timeit becomes coarse and rugged due to water, soap and detergents. Their smoothness gradually fades with time, thus this makes it not as good regarding to health wise standards of living.
<span>The correct answer is d. Antarctica must have been in a different warmer location in the past. The presence of Glossopteris in Antarctia proves that the continent was located closer to the equator and have since drifted to the south pole. This observation supports the theory of continental drift. </span>
Answer:
Population Growth: Exponential
Subsistence Growth: Arithmetic
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