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.
<span>The country of Indonesia consists of a vast chain of more than fifteen thousand islands stretching about three thousand miles from east to west. </span>
The Mississippi-Missouri-Ohio river system is the largest and most significant river system in the world.
