Choose the word or phrase that needs correction

giúp mik vs ạ
 
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IV. Choose the word or phrase that needs correction.
1.
Fossil fuels are useful and inconvenient, but they pollute the air.
A
B
C
D
2.
Scientists and engineers are using energy from the wind to generate electrical.
A
B
C
D
3. We are look for more natural resources such as wind and solar energy.
A B
C
D
4. Coal, natural gas and oil are fossil fuels, and it is non-renewable.
A
B
C
D
5. In the early 1800s, American and European factories use water as a source of energy.
A
B
C
D
6. People develop ways of using biomass as an alternative to fossil fuels now.
B
C
D
7. New technology can make solar panels to able to generate electricity on cloudy days.
A
B
C
D
8. Energy from renewable resources puts less strain on the limitless supply of fossil fuels.
A
B C
D
9. About ago two centuries, biomass in the form of wood was the major source of energy.
A
B
C
D
10. Today, new technologies are producing ethanol to trees, grasses, and crop waste.
A
B
C
D