Question

short answer type questions :-

1. what are the characteristics of variety of coal?

2. why do you think Minerals and power resources should be conserved?

Answer 1

Answer:

Several varieties of bituminous coal are recognizable. Anthracite is the highly metamorphosed coal, is jet black in color, is hard and brittle, breaks with a conchoidal fracture, and displays a high luster. Its moisture content is low and its carbon content is high.

Conservation of mineral resources is essential because they are a country's valuable possession. Some methods by which we can conserve minerals are: Minerals should be used in a planned and sustainable manner. ... Recycling of metals also results in the conservation of mineral resources.

Answer 2

Answer:

Explanation:

Coal:

1.Anthracite: Highest grade

2.Bituminous:Mid grade

3.Lignite: Lowest grade

Minerals and power sources should be conserved as they are primary sources of energy.If we are not conserving,then it will affect mankind after some years.