People are becoming more and more aware of the importance ___1___
conservation. Conservation means ___2___
things to many people. To some it means preserving our forests
and wildlife. To others it means using our natural resources ___3___.
Whatever it means, conservation is considered essential if
people ___4___ the earth to
continue supporting the human race. The need for conservation
___5___ because the human
race is using the world's natural resources ___6___
greater quantity and variety than every before. ___7___
the world's population grows, and as more people demand a higher
standard of living, the demand for resources ___8___.
These resources include oil, coal and natural gas. They cannot
___9___ replaced once they
have been used. The only way to make resources last longer is to
use ___10___.
Similarly, other natural resources like our forests and
wildlife may be ___11___
forever. Several species of wild life may become extinct because
of the felling of their forest homes or uncontrolled hunting ___12___humans. |