Answer:
groundwater is being cycled
Answer:
Add all of the numbers, then divide by the number off addends
Explanation:
Example:
20, 45, 93. 45
1. Add all of the numbers.
203
2. Divide by the number of addends (4)
50.75
The average is 50.75
~theLocoCoco
C;
Natural Selection; Natural selection<span> is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.</span>
Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"