Earth's Spheres and Biogeochemical Cycles

Which sphere of the Earth includes all the water on the planet?

• biosphere

• atmosphere

• lithosphere

• hydrosphere

What is the primary gas in Earth's atmosphere?

• carbon dioxide

• nitrogen

• oxygen

• helium

Which sphere of the Earth consists of the solid rocks and minerals?

• atmosphere

• biosphere

• lithosphere

• hydrosphere

What is the layer of gases surrounding the Earth called?

• ozone layer

• stratosphere

• ionosphere

• atmosphere

Which biogeochemical cycle involves the movement of carbon between living organisms and the environment?

• carbon cycle

• oxygen cycle

• water cycle

• nitrogen cycle

What is the process by which water changes from a liquid to a gas called?

• condensation

• sublimation

• melting

• evaporation

Which sphere of the Earth includes all living organisms?

• lithosphere

• atmosphere

• hydrosphere

• biosphere

What is the process by which carbon dioxide is removed from the atmosphere and stored as carbon in the Earth's crust?

• carbon capture

• carbon sequestration

• carbon storage

• carbon retention

What is the process by which water vapor in the atmosphere condenses into liquid water?

• evaporation

• sublimation

• precipitation

• condensation

Which biogeochemical cycle involves the movement of water between the Earth's surface and the atmosphere?

• Carbon cycle

• Nitrogen cycle

• Water cycle

• Phosphorus cycle