Soil is divided into different layers. There is topsoil and, below it, there is . A.
presoil
B.
resoil
C.
subsoil
D.
oversoil

Soil Horizons (layers): Soil is made up of distinct horizontal layers; these layers are called horizons. They range from rich, organic upper layers (humus and topsoil) to underlying rocky layers ( subsoil, regolith and bedrock).

Explanation:

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.

the link still does not work even when adding it to the url bar

explanation: