Answer: (1) photosynthesis occurred
Explanation: The photosynthesis process in cianobacteria changed the composition of earth's atmosphera, rising oxygen levels. This could be possible since photosynthesis used energy from the sun to produce energetic intermediaries to synthesize sugars, and as byproduct due to water photolisis, is oxygen.
Nuclear power plants have a rare type of uranium and uranium is a non renewable resource
Answer:
The answer was not found :(
Explanation:
Merry Christmas and Happy Holidays!
A nucleus is the central and the most important part of an object, movement, or group.
It is found in plant and animal cells and an atom.
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