I choose the correct answer
16. What should we do to _______ electricity ?
A. cut B. take C. save D. waste
17. Someone's carbon ____ is a measurement of the amount of carbon dioxide that their activities produce
A.effect B. amount C. footprint D. energy
18.________ source of energy is the source that can't be replaced after use.
A.renewable B. natural C. effective D. non-renewable
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Sinh Học lớp 12
