Find one mistake in each of the following sentences and correct it. 

There is one mistake in each sentence. Underline and correct the mistake.

6. What visitors attended the local festival last year? - Hundreds of them.

7. The burning of fossil fuels is harmful for the environment and public health.

8. Solar energy can convert into other forms of energy, such as heat and electricity.

9. Solar power is by far the more popular renewable energy source.

10.     One of the ways you can save energy in your home are to use energy saving light bulbs.

I. Give the correct from of the word given to complete the sentence.

I. Give the correct from of the word given to complete the sentence.

I. Give the correct from of the word given to complete the sentence.

-Tidal energy is renewable ............ and clean (plenty) -Wind will be used as an ............... friendly sources of energy . (environment) -There are many ways will be used to solve the problem of .......... (pollute) -.............. , fossil fuels are harmful to the environment (fortunate) -We should use them .............. and try to find out alternative sources of power . (economy) -I think that solar energy can be an ............. source of energy in the near future (alter) -It's a clean source of energy . Sailboats couldn't move without this ............. (powerful) -Limit car trips by relying on biking , walking public ............. (transport) -Energy is used to ............ a lot electrical thing (product ) -I don't think so . The solar penels are becoming ............ and easy to install (cheap)

Help!!!

Complete each sentence with the correct form of 1 of the given verbs given.

convert be involve use

pollute release replace make

1. Burning coal and oil.....carbon dioxide that harms the environment.

2. Many families ......biogas

3. Using non - renewable energy sources .....the environment

4. Solar power can be .......into electricity

5. There....a shortage of energy in the near future.

6. Producing biomass energy...burning waste, and this may have ba impacts on the environment.

7. Coal is a non - renewable source of energy, because it cannot be easily.....

8. The wind turns turbines to.... energy

Complete each sentence with the correct form of 1 of the given verbs given.

convert be involve use

pollute release replace make

1. Burning coal and oil.....carbon dioxide that harms the environment.

2. Many families ......biogas

3. Using non - renewable energy sources .....the environment

4. Solar power can be .......into electricity

5. There....a shortage of energy in the near future.

6. Producing biomass energy...burning waste, and this may have ba impacts on the environment.

7. Coal is a non - renewable source of energy, because it cannot be easily.....

8. The wind turns turbines to.... energy

each sentences has one mistake. Underline the mistake and correct it. ........................

1. people will developed alternative sources of energy. ........................

2. solar power can be converted into electrical. .......................

3.we should use energy economic so that we can save money. ...............

4. the sun is a bundant sources of power. ............................

5. by this time next week they live in other city. ................

6. many people believe that nature resources will never be used up. ......................

7.people use energy to run machines, hot and cool their home. .......................

8. burnig fossil fuels cause pollution. .....................

9. scientist are work to find other kinds of energy for the future. ..................

10. students at school should learn how save energy. .......................