Science does not see virus as forms of life. They are forms that cannot resemble a living cell, although they conatin a Nucleic acid, and are surrounded by an envelop made of proteins. Still, the process to replicate of a DNA in a Virus requieres the presence of host cells, therefore scientists dont see enough properties that living organisms posses in order to locate them in a kingdom of living organisms
<span>The Hellenistic (Greek) mathematician who invented the compound pulley and is known for his work with the laws governing simple machines was C. Archimedes.</span>