In three layers/horizons:
A (made of topsoil, crumbly, dark brown soil mixture of humus, clay, and other minerals.)
B (made of subsoil, made of clay and other particles with little humus.)
and
C (contains partly weathered rock.)
Read more: How_do_scientists_classify_soil
what are four main soils used to classify soils
what are four main soils used to classify soils
Scientist classify plants as producers due their ability to make their own food. They are in the autotrophic level of the nutrient cycle.
a plant
Humus,sand,clay,and water
Aristotle
microscope
Aristotle
Aristotle
they look through a microscope
mullusks
Scientist classify waves by moving through a medium and/or empty space. For example, a wall, air, water, space.