Decomposers are important in the carbon cycle and food chains because they______

a
break down dead organisms and waste, and recycle nutrients into the soil and air.
b
produce their own food using light energy from the Sun.
c
are microscopic and other organisms cannot see them.
d
stop the flow of energy and nutrients from one organism to another.

a

break down dead organisms and waste, and recycle nutrients into the soil and air.