Answer:
Technical facilities for tourism in the Southeast region in Vietnam are tiipically politically biased because the goventment want to show that everything is perfect in vietnam when there are obvious problems.
Explanation:
I had this before it’s a or e
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.
Cylindrical map projections , conic map projections , & azimuthal map projections.
