The statement "entia non sunt multiplicanda praeter necessitatem" i. D. "Entities are not to be multiplied without necessity" is a statement made by a) Aristotel in favor of realism b) Plato in favor of idealism c) William of Ockham in favor of nominalism d) William of Ockham in favor of existentialism

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Some connecting rods have to lubricate the cylinder wall or piston pin. the answer is letter d. graphite coating can be a major  additive to many  coating  systems and things such as connecting rods.  it functions as a refractory, lubricant, thermal conductor, and electrical conductor for a machine or thing to enhance its work.