Renewable resources are natural resources that ____________________.

____________________, such as oil, must be conserved.

By melting down aluminium cans, we can __________ them to make new aluminium products.

In order to help conserve fossil fuels, __________ your use of them.

Introducing harmful materials into the environment causes __________.

The practice of saving resources by using them wisely is called __________.

You can __________ everyday items like grocery bags to prevent them from polluting the land.

Natural resources that can be replaced easily are called __________ resources.

Energy resources that were formed from remains of organisms that lived long ago are called __________.