Reservoir A- consists of living organisms and detritus. Organic materials are available as nutrients.
Reservoir B- consists of peat, coal, and oil. Organic materials are unavailable as nutrients.
Reservoir C- consists of the atmosphere, water, and soil. Inorganic materials are available as nutrients.
Reservoir D- consists of minerals in rocks. Inorganic materials are unavailable as nutrients.
When the organic or inorganic materials are said to be available, this means that the materials are directly available for use by organisms.
Chat with our AI personalities
Four common contraindication in make-up
The common factors are: 1, 2, 3, 6.
The common factors of 4 and 28 are: 1, 2, 4.
The greatest common factor of 40 and 65 is 5
20 and 24's highest common factor is four.