The answer is R horizon.
The soil is made up of layers, called horizons, which are parallel to soil crust. These horizons are from top to bottom:
O - contains organic matter.
A - contains organic matter mixed mineral matter.
B - contains accumulated mineral or organic compounds.
<u>C</u> - consists of parental material.
<u>R</u> - consists of bedrock, masses of hard rock.
Thus, R horizon is below the C horizon.
Answer:
measurements
Explanation:
you may not be able to see how much of the land is eroded and the change wouldnt be as drastic over the course of 12 months, you would definetly need it over a longer period of time
Because you need respiration to able to function of the rest of organs