________ play a crucial role in returning nutrients essential for plant growth directly to the soil.
A) Chemical decomposers
B) Herbivores
C) Scavenging decomposers
D) Producers
Question 2
The generation of alternate fuels from manure and cellulosic waste products
A) increases our consumption of fossil fuels.
B) reduces costs to a company by using waste products.
C) increases the production of commercial waste products.
D) eliminates the production and release of carbon dioxide into the atmosphere.
The major types of plant nutrients and their sources.
growth of bacteria
Causes of Soil Erosion and Degradation worldwide
Rapid growth in the use of alternative energy seems impressive
Growth of a Renewable Resource
Plant Biology