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.
The official national animal of Australia is the Kangaroo.
The Kangaroo which is hunted for meat and for sport, and used as a motif in the decorative arts, the kangaroo was finally recognized as an official symbol of Australia when it was included on the nations coat of arms in 1908.
The answer is: Kangaroo
A map that you can make with a raised surface is a(n) pictorial map.
