There are 4 factors for evolution: mutation, gene flow, genetic drift, and natural selection. Natural selection is the strongest
Answer: Linear would mean in a line, but it seems that all those graphs are just points soo
Explanation:
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.
