Soils, with their mixture of crushed rocks and minerals, bacteria, fungi, and decomposing matter, are certainly vital to the living forest system.
(Soils, with their mixture of crushed rocks and minerals, bacteria, fungi, and decomposing matter; are certainly; vital to the living forest system)
Soils, with their mixture of crushed rocks and minerals, bacteria, fungi, and decomposing matter
are certainly
vital to the living forest system