Which statement best describes the role of decomposers in an ecosystem?

a. decomposers restrict the populations of primary consumers.

b. decomposers convert solar energy to chemical energy.

c. decomposers return nutrients to the soil.

d. decomposers form the top of the food web.

i believe the answer is c

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.