Geosphere
Hydrosphere
Atmosphere
Biosphere
100

Earth's thin, rigid, outermost layer

Crust

100

True or False-Most of Earth's fresh water is tied up in glaciers?

True

100

Which gas makes up most of Earth's Atmosphere?

Nitrogen

100

How is energy transferred in the Biosphere?

Through Food Chains

200

True or False-All parts of the Geosphere are solid

False

200

What percentage of Earth's water is salt water?

97%

200

What is the other gas that makes up most of Earth's Atmosphere?

Oxygen

200

What object provides the energy to start the food chain?

The sun

300
Name the three main parts of the Geosphere

Crust, mantle and core

300

What percentage of Earth's water is Fresh water?

3%

300

Name the steps of the food chain (after the sun)?

Producers to Herbivores to Carnivores to Decomposers

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