July Review

1. this resource may be considered both renewable and nonrenewable
4. the burning of fossil fuels produces harmful gasses. The existence of these gasses in the atmosphere and in the clouds will result in this falling
6. sustainable development helps protect earth's natural resources so that they are still around for the what
7. where the ocean tides meet a rivers mouth
9. a common use for ivory tusks is to make these
10. mines and quarries are examples of primary industries that produce what
11. an action where companies will cut down vast amounts of timber

2. when farms are planting too much of the same crop year over year
3. directly connected to the scent of pollution
5. involves reusing materials rather than dumping them
8. when many people come from overseas to experience wildlife in its natural habitat