the two layers are
sub soil
The layer of soil that has little or no humus in it is the subsoil. The top layer of the soil has the most humus in it because the dead leaves fall from the plant and go back into the soil.
The layer of soil that has little or no humus in it is the subsoil. The top layer of the soil has the most humus in it because the dead leaves fall from the plant and go back into the soil. Water and sun also help give the plant humus.
b horizon
It is substratum because it has little or no moisture and little or no humus.
Euphotic Zone
Humus
Protists live in cold environments that contain liquid water. They are least likely to be found in hot environments without water.
The C and R horizon
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Those at the top of the food pyramid contain consumers with the smallest number and therefore, with the least total biomass compared to the layers below them.
They contain stories of gods who have been defeated by a human hero.
Is what as least as likely as not? that is myquestion to you!
There are at least 3 layers of skin that cover the skull. These layers may be thinner because of the location of the skin.
Jackie Robinson was the first African-American to play major league baseball in America.