B. Protistans, a group thought to have given rise to other eukaryotic cells
Oxygen, neccessary for cellular respiration, is the answer. As oxygen becomes scarce, your cells begin to aerobically produce very little ATP, in effect fermenting and producing lactic acid.
Erosion<span> is the carrying away of those smaller pieces to another place. Deposition is the process by which</span>eroded<span> materials settle out into another place.</span>
Option 3
pleaee mark me as brainliest
Carbon dioxide because its a fas
