1. Fill in the blanks:

a. [FLO 1: Coal] ___ is used in the manufacture of steel. (Coke/Coal tar)

b. Air is an example of _ natural resources. (Exhaustible/Inexhaustible)

c. ___ is an example of exhaustible natural resources. (Sunlight/Natural gas)

2. True or False:

a. Fossil fuels can be made in the laboratory. (True/False)

b. Coal burns to produce carbon dioxide gas. (True/False)

c. Coal tar is an almost pure form of carbon. (True/False)

3. Answer the following:

a. Explain the story of coal. (3)

b. Write the difference between exhaustible and inexhaustible natural resources. (4)

Coal is a nonrenewable resource formed over millions of years, and its combustion releases carbon dioxide. Differences between renewable and nonrenewable resources are explained, with an example of waxes being produced from oil.

Explanation:

Coal is formed from carbon compounds that took millions of years to develop, making it a nonrenewable resource. Burning coal releases carbon dioxide, a greenhouse gas, contributing to pollution.

Renewable resources can be replenished, such as sunlight or wood, while nonrenewable resources like coal and natural gas take millions of years to form and are finite.

Oil can be processed to produce waxes, showing its versatility in creating various products.

Learn more about Coal formation, Renewable vs. Nonrenewable resources here:

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