Give the correct form of the words in brackets:
1. ( conserve ) ...................... is the safeguarding and preservation of natural resources.
2. Henry is now ( employ ) ..................... because he has no qualifications for the job he likes.
3. Photochemical fog is ( common ) ..................... found in almost all cities.
4. My grandfather is one of the ( found ) ........................ of this college.
5. American women like living a/an ( depend ) ....................... life.
6. Laser is very valuable in cancer ( treat ) ............................
7. I'm afraid your ( explain ) .................... doesn't sound logical.
8. Reading ( rich ) ..................... our minds with new knowledge.
9. They spend a lot of time ( practice ) ........................ their music lesson every day.
10. Burning garbage makes the air ( pleasure ) ...................... to breathe