Earth’s Interconnected Cycles

Earth's systems—atmosphere, lithosphere, hydrosphere, and biosphere—are interconnected, forming a complex whole. The atmosphere provides essential gases and protection, the hydrosphere covers Earth's water, the biosphere encompasses all life, and the lithosphere includes Earth's crust and mantle. These systems interact, influencing each other and maintaining life on Earth.

Which of the following is NOT one of Earth's interconnected systems?

• Stratosphere

• Hydrosphere

• Lithosphere

• Atmosphere

What percentage of Earth's atmosphere is composed of nitrogen?

• 20.95%

• 0.039%

• 0.93%

• 78%

Which Greek word is the term 'hydrosphere' derived from?

• Atmos

• Lithos

• Hydro

• Bios

What is the primary component of the lithosphere?

• Living organisms

• Solid material

• Air

• Water

How do volcanic eruptions affect Earth's systems?

• They only affect the lithosphere.

• They have no impact on the atmosphere.

• They influence all of Earth's spheres.

• They only change the biosphere.