The smallest unit of life would be the cell, for every living thing is made of cells, and no living thing is smaller.
Four covalent bonds. carbon-carbon, carbon-hydrogen, carbon-oxygen, and oxygen-hydrogen
This would be Newton's first law of motion as it is a factual statement based on observations.
I believe that the <span>pervasive theme in Northern Renaissance culture that is implicit in Albrecht Altdorfer's The Battle of Issus is humanist interest in ancient history and culture.
The painting depicts events of 333 BC battle between Alexander the Great and Darius III of Persia.
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