2. in lighting electricity through

1 in lighting electricity flows/passes through wires.

2 television, radio

3 imagine, electric

4 cassettes, digitization

5 memory film

6 transistors

7 grows/increases, electricity

8 entertainment

9 compatible

1.a garbage is not only ugly, bute dangerous because it causes an air pollution.

2. cars are an important part of a life for most people. but cars also cause a pollution and release fume.

3. in canada people don't realise that they throw out 10,000 tons of a waste.

4. over 14 billion pounds of a waste per year is throw out to sea and it kills millions of sea animals.

5. if we want to breathe  a healthy air we have to think about what we do.

6. because of our lack of a knowledge there is now a huge hole over an antractic.

7.a water is a vital element of a life.

there are two bedrooms in our flat.