Breaking down old leaves is an important process since it releases the nutrients in the dead leaves back into the soil for living plants to use.
(Breaking down old leaves; is; an important process; T:since it releases the nutrients in the dead leaves back into the soil for living plants) (it; releases back; the nutrients)
Breaking down old leaves it
is releases back
an important process T:since it releases the nutrients in the dead leaves back into the soil for living plants
the nutrients