Question

1. choose the three main fossil fuels.

wind
oil
coal
hydropower
solar
natural gas

1. choose the correct answer.

which device in cars helps reduce pollution?
radiator
carburetor
timing belt
catalytic converter

Explanation:

Sub - Question 1

Fossil fuels are formed from the remains of ancient organisms. The three main fossil fuels are oil, coal, and natural gas. Wind, hydropower, and solar are renewable energy sources, not fossil fuels.

A catalytic converter in a car is designed to convert harmful pollutants in exhaust gases into less - harmful substances. A radiator is for cooling the engine, a carburetor is for mixing air and fuel, and a timing belt is for synchronizing engine components.

Answer:

B. oil, C. coal, F. natural gas

Sub - Question 2