Match the following. 1. part of a country not connected to its main territory mulch.2. a protective covering put over soil to prevent evaporation or erosion exclave.3. decomposed organic material that can be used for fuel and mulch peat.4. permanently frozen soil beneath the surface in polar and near-polar areas permafrost.5. unable to be used for travel by water un-navigable.

1. An exclave is a part of a country not connected to its main territory

2. Mulch is a protective covering put over soil to prevent evaporation or erosion

3. Peat is decomposed organic material that can be used for fuel and mulch peat .

4. Permafrost is a permanently frozen soil beneath the surface in polar and near-polar areas.

5. A waterway is un-navigable if it is unable to be used for travel by water .

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.