What percentage of the global energy supply is made up of hydrocarbons like oil, natural gas, and coal?

• 50%

• 85%

• 30%

• 10%

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DOK Level 2: Skill/Concept

Which of the following is NOT considered a hydrocarbon?

• Oil

• Natural Gas

• Solar Energy

• Coal

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DOK Level 2: Skill/Concept

Despite years of investment, what is the contribution of non-hydro renewable sources to the global energy supply?

• Less than 2%

• 10%

• 25%

• 50%

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DOK Level 2: Skill/Concept

What has been the trend in proven reserves of hydrocarbons over the years?

• They have decreased significantly.

• They have remained the same.

• They have grown significantly.

• They have disappeared.

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DOK Level 2: Skill/Concept

How has the affordability of hydrocarbon energy changed over the decades?

• It has become more expensive.

• It has become more affordable.

• It has remained the same.

• It has become unaffordable.

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DOK Level 2: Skill/Concept

Which technological advancement has helped optimize energy supply management?

• Manual labor

• Digital platforms and trading

• Paper records

• Horse-drawn carriages

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DOK Level 2: Skill/Concept

What is one challenge faced by renewable energy sources like wind and solar?

• They are too cheap.

• They are opposed by environmentalists.

• They are too abundant.

• They are too easy to implement.

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DOK Level 2: Skill/Concept

Why do environmentalists critique the use of fossil fuels?

• They are too clean.

• They conflict with sustainability efforts.

• They are too cheap.

• They are too efficient.

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DOK Level 2: Skill/Concept

What is orimulsion primarily used for?

• Cooking

• Energy supply

• Building materials

• Clothing

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DOK Level 2: Skill/Concept

What is the main reason hydrocarbons continue to dominate the energy market?

• They are the only energy source available.

• They are needed to meet rising energy demands.

• They are the most expensive option.

• They are the least efficient.

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DOK Level 2: Skill/Concept