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.
The correct answer is: ATC GAA CCG TA
Answer:the answers are a and d
Explanation:
I did the test sorry if wrong
Answer:
The oceans could become polluted with oil, coal, and other contaminents that would come about when mining in such a grand scale
Explanation:
Answer - sea oats
Sea oats play a vital role in the development of sand dunes. The structure of their leaves and roots help in the trapping of the wind blown sand, promoting the growth of sand dunes and their stabilization. Sea oat plantation is encouraged in coastal areas to protect damage from heavy winds and high tide.
