III. The word in capitals above each of the following sentences can be used to form a word that fits suitably in the blank space. Fill each blank in this way.
Example: DANGER
It was a very dangerous trip.
- PROTECT
People of some professions should wear … clothing.
- NATURE
If you care about the protection of the environment, you should buy only … food with no added chemicals.
- ECOLOGY
You have probably already heard about such a profession as an … .
- PREDICT
Scientists have made … and they are alarming.
- USE
Many things that we throw away can still be … .