The wars of Alexander the Great were fought by King Alexander III of Macedon (The Great), first against the Achaemenid Persian Empire under Darius III, and then against local chieftains and warlords as far east as Punjab, India.
What are the four most abundant elements found in living systems? There are 4 very abundant elements found in living systems. These 4 abundant elements are oxygen, carbon, hydrogen, and nitrogen.
Best Answer: Carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorous are most common elements in living matter. Edit: The reason for my answer? Because Carbon, Hydrogen, and Oxygen are the basic make-up of organic chemistry and, therefore, organic compounds. Why nitrogen? Because it is found in every amino acid and nucleoside.