Exploring Earth and Environmental Science

What is the name of the process by which new oceanic crust is formed at mid-ocean ridges?

• Subduction

• Sea floor spreading

• Erosion

• Weathering

Which gas is most responsible for the greenhouse effect on Earth?

• Oxygen

• Carbon dioxide

• Nitrogen

• Argon

What is the main layer of the Earth where plate tectonics occur?

• Inner core

• Mantle

• Crust

• Outer core

Which of the following best describes the Earth's energy budget?

• The total amount of energy produced by the Sun

• The balance between incoming solar energy and outgoing heat energy

• The amount of energy used by plants for photosynthesis

• The energy stored in fossil fuels

What percentage of Earth's water is fresh and available for human use?

• About 97%

• About 50%

• About 3%

• About 1%

Which of the following is a non-renewable mineral resource?

• Gold

• Wood

• Wind

• Solar energy

What is the main goal of sustainability management?

• To maximize resource extraction

• To ensure resources are available for future generations

• To increase pollution

• To use only non-renewable resources

Which process can help reduce air pollution from vehicles?

• Burning more fossil fuels

• Using public transportation

• Increasing industrial emissions

• Deforestation

Which layer of the atmosphere contains the ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What is the main cause of sea floor spreading?

• Erosion by ocean currents

• Movement of tectonic plates apart at mid-ocean ridges

• Deposition of sediments

• Volcanic eruptions on land