Respuesta :

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The EPA (environmental protection agency) lists the automobile as the largest source of pollutants in the air, and that is the reason behind the emission testing :) hope this helps
andresgarciaqwertykg

Answer:

A.

to determine how much a vehicle pollutes the air

B.

to determine how many miles a vehicle can be driven on a gallon of gas

C.

to determine how much weight a vehicle can safely carry

D.

to determine how many passengers a vehicle can safely carry

Explanation:

it is A