Front

What is oil and how is it formed?

Back

Oil is a fossil fuel formed from the remains of ancient marine organisms buried in ocean sediments. It is primarily used for transportation and as a source of energy.

Front

Which type of power plant releases toxic metals like mercury and lead?

Back

Coal fired power plants regularly release toxic metals such as mercury and lead into the atmosphere.

Front

What are the disadvantages of nuclear energy?

Back

Disadvantages of nuclear energy include: 1) Unpopularity and protests, 2) High construction costs due to legal challenges, 3) Potential for catastrophic meltdowns and accidents, 4) Being potential terrorist targets.

Front

What is a fuel cell and what does it use to generate electricity?

Back

A fuel cell is a device that uses a chemical reaction to generate electricity and power, commonly using hydrogen gas.

Front

What is the main source of energy for most developing countries?

Back

Most developing countries depend on biomass (including wood, manure, etc.) as their main source of energy.

Front

Define renewable energy.

Back

Renewable energy is energy that is collected from resources that are naturally replenished, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Front

What is coal and its primary use?

Back

Coal is a fossil fuel formed from the remains of ancient plants, primarily used for electricity generation and industrial processes.

Front

What are the environmental impacts of coal mining?

Back

Environmental impacts of coal mining include habitat destruction, soil erosion, water pollution, and air pollution from dust and emissions.

Front

What is natural gas and how is it used?

Back

Natural gas is a fossil fuel composed mainly of methane, used for heating, electricity generation, and as a fuel for vehicles.

Front

What are the advantages of using hydrogen as a fuel?

Back

Advantages of hydrogen as a fuel include: 1) Produces only water when burned, 2) Abundant and can be produced from various sources, 3) Can be used in fuel cells for efficient energy conversion.