The cyanobacteria changed the composition of the earth’s atmosphere by evolving oxygen in what is referred to as the Great Oxygenation Event. This also allowed the ozone to be formed and block off most of the UV rays that are destructive to genetic material. Life was, therefore, also able to exist on land other than in water.
Answer:
D. There is a reduced use of pesticides, herbicides, and fertilizers
Explanation:
<span>D) composed of one or more eukaryotic cells</span>
Conclusion this is how the nervous system in human
