The Atmosphere: the Hydrosphere and Lithosphere

The video explores the thin biosphere of Earth, emphasizing the abundance of water that makes Earth unique. It details the hydrosphere, including oceans, rivers, and glaciers, and discusses the lithosphere, highlighting the unexplored areas beneath oceans.

What is the biosphere compared to in terms of thickness?

• The skin of an apple

• A thick book

• A mountain range

• The ocean depth

What percentage of Earth's surface is covered by water?

• 50%

• 80%

• 60%

• 70%

Which of the following is NOT part of the hydrosphere?

• Lakes

• Mountains

• Rivers

• Oceans

What is the solid layer of the Earth known as?

• Biosphere

• Lithosphere

• Hydrosphere

• Atmosphere

What percentage of the Earth's surface is land?

• 30%

• 50%

• 20%

• 40%