Hydrocarbons are formed deep underground through heat and pressure on prehistoric plant and animal remains. These remains accumulated in ancient seas and lakes. Hydrocarbons are extracted by drilling and serve as the main source for fuels like gasoline, diesel, and jet fuel.

What are hydrocarbons primarily composed of?

• A mixture of minerals

• A mixture of gases

• A mixture of hydrocarbons

• A mixture of metals

How are hydrocarbons formed?

• By the cooling of lava

• By the action of heat and pressure on prehistoric remains

• By the evaporation of water

• By the crystallization of minerals

What is the primary source of hydrocarbons?

• Ocean currents

• Volcanic eruptions

• Deep underground deposits

• Atmospheric gases

Which of the following is NOT a fuel derived from hydrocarbons?

• Solar energy

• Gasoline

• Diesel

• Jet fuel

How are hydrocarbons typically extracted?

• By drilling

• By harvesting

• By fishing

• By mining