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- 1. Multiple Choice
It contains the frozen parts of the planet
polar caps
cryosphere
ionosphere
lithosphere
- 2. Multiple Choice
Crust, mantle and core are layers of _____________.
hydrosphere
atmosphere
geosphere
cryosphere
- 3. Multiple Choice
It is also known as the "ecosphere"
geosphere
hydrosphere
cryosphere
biosphere
- 4. Fill in the Blank
The four subsystems of the Earth are called__________.
- 5. Multiple Choice
Earth's atmosphere has ____ layers.
5 layers
6 layers
7 layers
8 layers
- 6. Multiple Choice
Which is the hottest layer of atmosphere?
stratosphere
mesosphere
ionosphere
thermosphere
- 7. Multiple Choice
What is the coldest layer in the atmosphere?
mesosphere
troposphere,
thermosphere
stratosphere
- 8. Multiple Choice
How many percent is the freshwater in the Earth's hydrosphere that is easily accessible by humans?
1%
.5%
.3%
2%
- 9. Multiple Choice
It extends from the surface of the Earth downward several miles into the lithosphere and upward approximately 7 miles into the atmosphere
hydrosphere
lithosphere
geosphere
atmosphere
- 10. Multiple Choice
"lithos" means _______.
stone
globe or ball
land
water vapor
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