The answer is lake hope this helps
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:
By conducting to plant more trees and reducing the use of gas that emitting Co2 that cause to rise the temperature.
The united states is going to see a big population growth compared to japan and other countries because alot of immigration is happening both legally and illegally to the united states and will see a population surge of more than 5 billion population growth within 2 years
