Which layer of the Earth allows the crust to move because it is semi-molten? (partly liquid).
Asthenosphere.
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10
Which sphere contains clouds and weather systems? A) Lithosphere B) Biosphere C) Atmosphere D) Hydrosphere
C. Atmosphere
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20
Which of the following is a reason why CO₂ occurs naturally in the atmosphere? (What does it do?)
It traps heat, helps regulate temperatures, and makes the Earth habitable.
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10
Which sphere includes the ice sheets of Antarctica? A) Atmosphere B) Hydrosphere C) Lithosphere D) Biosphere
B. Hydrosphere
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10
True or False: The atmosphere is made up mostly of nitrogen and oxygen.
True.
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20
Give two examples of the ways in which humans impact the biophysical environment.
Examples: Deforestation, mining, pollution, urban development, agriculture, tourism, etc.
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20
Why is nitrogen important in the atmosphere?
Nitrogen is important because it is essential for plant growth, which in turn supports other life forms on Earth.
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20
Name one feature that can form at a convergent plate boundary.
Mountains, volcanoes.
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10
Which sphere is directly affected by deforestation? A) Lithosphere B) Biosphere C) Atmosphere D) Hydrosphere
B. Biosphere
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thief
Give points!
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fairy
Take points!
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fairy
Take points!
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thief
Give points!
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thief
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magnet
Take 15 points!
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shark
Other team loses 25 points!
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lifesaver
Give 10 points!
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25
Why is the water cycle considered a closed system?
Because the total amount of water on Earth stays the same, but it moves between the spheres, and changes form betwee
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10
In which layer of the atmosphere do most weather and climate occur? A) Stratosphere B) Mesosphere C) Troposphere D) Thermosphere
C. Troposphere
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seesaw
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shark
Other team loses 20 points!
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fairy
Take points!
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banana
Go to last place!
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5
What is biodiversity?
Biodiversity is the variety of living things in an area.
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25
Give one example of how two or more of the Earth’s spheres can interact.
Example: A volcanic eruption (lithosphere) releases ash and gases into the atmosphere, destroys habitats (biosphere), and can change river paths or water qualit
