Fill in the blanks with the words in the box:
solar panels electricity coal enviromental friendly
shortage abundant solar energy alternative
1. .............. comes from heat of the sun.
2. ............... will be placed outdoors to catch the sun's energy
3. Burning more ..............., we will pollute our environment
4. If we continue to burn fossil fuels, we will face a serious ................ of energy
5. Solar energy can be a clean and ................ energy source in Viet Nam
6. Wind power is the most promising ................ source of energy
7. Although coal causes pollution, it still plays an timportant role in the production of ............... around
the world.
8. Wind energy is widely available and it isn't harmful to the environment. It is ..................
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Sinh Học lớp 12
