Which statement describes where decomposers get the chemical elements
they need for growth?
A. They obtain the carbon and nutrients they need by catching and
eating autotrophs and heterotrophs.
B. They obtain carbon from the air, and they take up other elements
and water from the soil.
C. They use energy from the Sun to make oxygen that they change
into sugars.
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D. They obtain carbon and other elements by consuming
decomposing organisms and their wastes.