Answer:
11 years
Explanation:
thats the time it takes for a full solar cycle
Inference is d. An observation is something you sense through taste,touch,smell, hear, and see
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.
Mitosis produces all animal and plant cells