'Why is called a .... source ?" _ " Because it can be replaced easily and quickly." A. Effective B. specific C. renewable D. non-renewable Fossil fuels are very common in our society but they .... the environment. A. renew B. provide C. waste D. pollute The wind, the sun and the wave are some types of .... sources of energy. A. changeable B. alternative C. cheap D. costly Giúp mik với làm đúng nha mik thấy hợp lí sẽ vote 5* ạ

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