Short answer type questions :
1. Define fossil fuels. Give examples.
2. What are natural resources? Give their types on the basis of their availabili
3. What are inexhaustible natural resources? Give examples.
4. What is coal? Where is it used?
5. Define the term "carbonisation'.
THIS IS 2 MARK QUESTIONS
Answers
Answer:
1. it is formed from the dead remains of living organisms millions of years ago. example = coal
Answer:
1.Fossil fuels are fuels that come from old life forms that decomposed over a long period of time. The three most important fossil fuels are coal, petroleum, and natural gas. Oil and gas are hydrocarbons (molecules that have only hydrogen and carbon in them). Coal is mostly carbon.
2.The key aspect of natural resources is that they dictate the survival of humans and other life forms on earth. These resources include land, rocks, forests (vegetation), water (ocean, lakes, streams, seas, and rivers), fossil fuel, animals (fish, wild life, and domesticated animals), minerals, sunlight and air.
3.
Examples of these resources are geothermal energy, air and solar radiation. In general, most of the natural resources can be depleted. Inexhaustible resources are a resource that is present with unlimited amounts in the nature; they cannot be depleted or exhausted by human activity.
4.the most significant uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel. Steam coal - also known as thermal coal - is mainly used in power generation. Coking coal - also known as metallurgical coal - is mainly used in steel production.
5.Carbonization (or carbonisation) is the term for the conversion of an organic substance into carbon or a carbon-containing residue through pyrolysis or destructive distillation. It is often used in organic chemistry with reference to the generation of coal gas and coal tar from raw coal.
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Explanation: