They design and carry out projects aiming to reduce fossil fuel consumption, find renewable fuels for public transport, and promote other clean air efforts.

They design and carry out projects aiming to reduce fossil fuel consumption, find renewable fuels for public transport, and promote other clean air efforts.

A. inexhaustible

B. recyclable

C. green

D. environmentally-friendly
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Đáp án: A
Renewable = inexhautible (tái tạo được)