<span>The question is asking how over-irrigation is damaging to soil. Over-irrigation means that too much water is being delivered to the soil, and too much water can wash some other important ingredients out - such as organic material. Therefore, the correct answer is:
a. It reduces the amount of organic material in soil.</span>
It has to be c since they are growing
I would say ones that can be seen, it affects the physical era of life eg H20 one of its physical qualities is its clear... coloress
