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⦁ What are the main sources of traffic noise in the city?
⦁ ( ) They are the motors and exhaust system of planes, bigger trucks, buses and bikes.
⦁ ( ) They are the motors and exhaust system of autos, smaller trucks, buses and motorcycles.
⦁ ( ) They are the motors and exhaust system of autos, bigger trucks, planes and motorcycles.
⦁ ( ) They are the motors and exhaust system of planes, smaller trucks, bikes and motorcycles.


Sagot :

Resposta:

⦁ ( ) They are the motors and exhaust system of autos, smaller trucks, buses and motorcycles.

Explicação:

Resposta:

Alternativa (B)

⦁ (B) They are the motors and exhaust system of autos, smaller trucks, buses and motorcycles.

Explicação: