Complete the sentences with the words from the box.
renewable/non-renewable/abundant/alternative/polluting/exhausted/fossil/available
1-Many of the Earth's natural resources are ....., which means they are available in limited quantily and can be used up.
2-Oil is a relatively ..... but is a non-renewable resource.
3-..... fuels, including coal, oil and natural gas, are currently the world's primary energy source.
4-..... resources are those which cannot be replaced once they are used up.
5-..... energy is any energy source that can replace fossil fuel.
6-Despite being the most ..... source, coal still plays an important role in the production of electricity.
7-Solar power from the sun is ..... as we won't "use up" all the sunlight from the sun.
8-Geother mal energy is non-polluting, but it not widely ..... .
Write the correct form or tense of the verbs in brackets.
1-Humans ..... (fuse) the power of moving water for more than 2,000 years.
2-I'll call you at 8 o'clock tonight. What ..... (you/do) then?
3-At present, global demand for energy ..... (increase) rapidly.
4-Three years ago. We ..... (install) a solar water heating system on our roof.
5-What ..... (happen) if non-renwable resources run out?
6-A small hydropower plant ..... (build) on the rider in ten years time.
7-If the electricity ..... (make) from wind turbines, it is green.
8-Burning forril fuels ..... (emit) gases that are harmful to the environment.
9-We decided ..... (invest) our time and effort on this new research project.
10-You should avoid ..... (use) cars or motorbikes for short trips.
Mong mn giúp mình, mình cần gấp lắm, cảm ơn trc.
Fill in each blank with an appropriate word.
1-..... energy resources include coal, oil, natural gas and uranium.
2-..... energy creates clean, renewable power from the sun.
3-We need to look for ways to reduce our carbon ..... .
4-Coal is a ..... fuel that was formed millions of years ago.
5-Renewable energy sources will never ..... out because they are easily replenished.
6-Burning fossil fuels emits a lot of pollutants that are ..... to the environment.
7-Solar ..... are fitted to building and turn the sun's ray into energy.
8-Some countries are ..... coal with natural gas because natural gas is less polluting than coal.