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:
we get fruits, Woods, different types of soil medicines and animals
Explanation:
does this help
Stage 1: High Equilibrium
High birth rate and high death rate
Stage 2: Early Population Increase
Decreasing death rate, constant birth rate
Stage 3: Late Population Increase
Death rate stabilizes at a lower amount, birth rate decreases
Stage 4: Low Equilibrium
Low birth rate and low death rate
the answer is the one u put...
