Find definitions of the words.

1. waste A. rain containing harmful chemicals and damaging the environment
2. to reduce B. to send out something such as heat, gas, etc.
3. to emit C. to make something less or smaller in quantity, size, etc.
4. harmful D. causing damage
5. solar energy E. materials that are no longer needed and are thrown away
6. acid rain F. a source of power coming from the Sun