Earth's 4 Spheres

What does the Geosphere primarily consist of?

• All living organisms

• Water in all its forms

• Rocks, minerals, and Earth's solid structures

• Gases surrounding the Earth

Which of the following is NOT considered part of the Hydrosphere?

• Lakes and rivers

• Rain and snow

• Underground aquifers

• Magma inside volcanoes

What does the Biosphere encompass?

• Only plants and animals

• All non-living components of Earth

• All living organisms, from bacteria to whales

• The Earth's atmosphere and its gases

What is the primary function of the Atmosphere?

• To provide a solid surface for life

• To store all of Earth's water

• To protect the planet from radiation and space rocks

• To facilitate the growth of plants

Photosynthesis involves interactions between which spheres?

• Geosphere and Hydrosphere only

• Biosphere, Atmosphere, Hydrosphere, and Geosphere

• Atmosphere and Biosphere only

• Hydrosphere and Atmosphere only