Answer:
HOW DARE YOU DELETE MY ANSWER
Explanation:
;O
Answer:No se Explanation: Dicelo a tu corazon
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.
3. Autotrophs produce organic molecules. I think 4 is cellular respiration cannot occur without photosynthesis
When large pieces of the Earth's outer layer move slowly by plate tectonics, surface features, such as mountains, earthquakes and volcanoes, are formed