Because nitrogen oxides are created in the process of burning coal and other fossil fuels, some power plants are changing the way they burn coal. A great way to reduce acid rain is to produce energy without using fossil fuels.
1. part of a country not connected to its main territory. -- exclave
2. a protective covering put over soil to prevent evaporation or erosion. -- mulch.
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.
Explanation:
An exclave is a territory that is formed by the territory on either side and may also exist within the territoriality waters. While a mulch is a material that is used on the surface soil and to the soil form the conservation of moisture and fertility.
It is a brown deposit the resembles a soil and is an accumulation of the partially decayed vegetation. While a permafrost is the frozen layer of soil that is found near the polar areas.
The road or route that is used by a traveler and becomes unusable by a travelers is said ti be unnavigable.
