The 2 main gasses which are found in the earth's atmosphere are C. Carbon dioxide and Oxygen.
Ocean fossils found on the rocky mountains are because of tectonic plates crashing.
Southeast animals in Asia are diverse true
The opinions and prejudice of an author in writing.
I believe that those two elements greatly affect bias in history because we can never be 100% sure of everything that (may have) happened in history (especially farther in the past), so opinion can affect a historian's writings. Also, everyone is prone to some sort of prejudice, so this can also affect history.
The answer is hill hope it's helps
