The correct answer is - cyanobacteria.
The atmospheric oxygen came from the cyanobacteria. These were one of the earliest living organisms on Earth. The cyanobacteria was using photosynthesis in order to create its own food. The photosynthesis process requires sunlight, carbon dioxide, water, and oxygen. The oxygen is mostly released as a waste product from the process of photosynthesis, thus the cyanobacteria were literally releasing oxygen that was ending up into the atmosphere. As more and more cyanobacteria there were across the planet, more and more oxygen they were releasing into the atmosphere, slowly changing the composition of the atmosphere, and setting the basis of it as we know it now.
Answer:
The continents through which the Tropic of Capricorn passes are: South America, Africa, and Australia.
Explanation:
i think this is the last of the points?
<em>.........snail</em>
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Answer:
Is this statement true or false? Historians have determined that Harappa and Mohenjo Daro declined because of a drought, which caused a. Is this statement true or false? Historians have determined that Harappa and Mohenjo Daro declined because of a drought, which caused a food shortage. true false. Categories History. Leave a Reply Cancel reply.
Explanation:
Answer:
a. Tropical cyclone
b. Tropical cyclone
c. Tropical cyclone
d. Tropical cyclones
e. Mid latitude cyclone
f. Mid latitude cyclone
g. Tropical cyclone
Explanation:
Tropical cyclone is rapidly rotating storm which destroys everything that comes in its way. It intensifies with height and usually covers smaller area.
Mid latitude cyclone is most strong form of cyclone which forms due to temperature difference, Warn air at cold front rises and create a low pressure which gives rise to cyclone.
