Answer: Carbon Dioxide
Explanation: Soil aeration is the process that provides the air to the plants and maintains the flow of oxygen and carbon dioxide gases. These are the two most vital gases for the life process of the soil to provide it to the plants and other micro organisms. It provides these gases so that there can be production in the plant through soil.
I dont c descriptions but heres the answer ;)
<span>desertfication is the expanding of deserts, and the shrinking of other ecosystems ;)</span>
Answer:
Economic b/c people produce various goods and services
