Earth's Spheres

Which statement best describes the distribution of water on Earth

• Most water is freshwater and most of that freshwater is in ice and glaciers

• Most water is saltwater and most of that saltwater is groundwater

• A small percentage of water is freshwater. Most of that freshwater is atmospheric water

• A small percentage of water is freshwater. Most of that freshwater is in ice and glaciers

• About half of water on Earth is freshwater and half is saltwater.

Part of the Earth where life is found

• Biome

• Ecology

• Biosphere

• Ecosystem

A volcanologist examines lava expelled during the latest eruption. She is studying what

Earth sphere?

• Geosphere

• MAgnetosphere

• Cryosphere

• Hydrosphere

Earth is composed of which of the following spheres?

• geosphere and biosphere

• cryosphere and hydrosphere

• atmosphere and Biosphere

• All of the above 

the combination of Earth's inner and outer core, mantle, and crust

• Lithosphere

• Geosphere

• Biosphere

• Atmosphere

the part of the earth in which living organisms are known to exist

• Geosphere

• Atmosphere

• Biosphere

• Asthenosphere

the layers of gasses that surround a planet

• Atmosphere

• Biosphere

• Geosphere

• Asthenosphere

This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts. 

• Hydrosphere 
• Biosphere 
• Atmosphere 
• Geosphere 

This system is made up of all the water on or near the earth's surface

• Hydrosphere 
• Biosphere 
• Atmosphere 
• Geosphere 

The four spheres of Earth...

• are all connected
• have nothing to do with one another
• exist on Venus and Mars
• don't affect human life