Solomon asch devised a simple test that asked people which of three comparison lines was identical to a standard line in order to study
conformity.
personality.
compliance.
obedience.

Conformity - basically there was one participant and the other's were stooges. They would go around the room with the stooges first saying the wrong answer to a very simple task and the participant would go last. This was testing conformity as they would observe if the participant would give the same answer (although it was completely obvious it was wrong= conformity was present), or if the participant was resilient enough to go against conformity and say the correct answer 
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It can the reader to have a broader understanding of the point or main idea of a passage/essay. if you use words with similar meanings throughout a written work, it can show the reader that the words reflect the key idea of a passage. this can really you to understand what is going on, and reflect on some key ideas and phrases that were mentioned in said written work.i hope this !

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.