AP environmental science.

I really need help with these 2 questions.

Nechropagous insects, otherwise a.b means they eat both meat and plantc means they only eat meatd is that their native to that area(correct one) a is feeding off of remains.

Answer moral guide 

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.

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