Task 4 Find definitions of the words 1. to reduce 2. harmful 3. to emit 4. waste 5. solar energy 6. acid rain

1. to reduce - e) to make smth less or smaller in quantity, size, etc.

2. harmful - b) causing damage

3. to emit - f) to send out smth such as heat, gas, etc.

4. waste - d) materials that are no longer needed and are thrown away

5. solar energy - c) a source of power coming from the sun

6. acid rain - a) rain containing harmful chemicals and damaging the environment