Choose all the answers that apply without decomposers
-chemical nutrients would not return to the soil
-dead organisms would pile up
-the suns energy cannot be used
-matter would be recycled
- an ecosystem is unbalance

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures