Question

2. Read the following statements and select the correct ones.
A. Coal, petroleum and natural gas are fossil fuels.
B. Coal and natural gas are exhaustible resources.
C. Coke is used in the manufacture of steel.
D. Fossil fuels are present in limited quantities.

Answer 1

Answer:

a.true

b.true

C.false

d.true

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Answer 2

All the given statements are true.

A. True

• Under several thousand feet of silt, flammable geologic deposits of organic materials, such as dead plants and animals, are what are known as fossil fuels.
• Due to the intense heat and pressure within the earth's crust, these deposits began to deteriorate over time and were eventually transformed into natural gas, coal, and petroleum.
• Hence, this statement is true.

B. True

• A non-renewable or exhaustible source of energy is fossil fuels.
• We derive the majority of the energy we need by burning fossil fuels.
• These fossil fuels are depleted more quickly.
• At a scale comparable to their consumption, they cannot be regrown.
• Fossil fuel energy is dwindling as a result of the rise in demand for the creation of other energies. It's challenging to replace them.
• They are considered an exhaustible source of energy because of this. Hence this statement is true.

C. True

• Coke is an allotrope or pure form of carbon.
• In addition to being employed as a fuel and reducing agent in the extraction of different metals, it is used in the production of steel.
• Steel is an iron and carbon alloy. Steel is more durable and tougher than pure iron because it contains carbon.
• Hence this statement is true.

D. True

• Fossil fuel reserves are finite, and they are being exploited at an astronomical rate, with completion anticipated within the next 30–40 years.
• Hence this statement is true as fossil fuels can get exhausted due to being in limited quantities.

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