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Earths Spheres
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Total cards: 5•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
What is the biosphere
Back (Answer)
A layer of the planet where life exists
#2
Front (Question)
What is the atmosphere
Back (Answer)
A layer of gases that extends from the surface of the Earth into space
#3
Front (Question)
What is the lithosphere
Back (Answer)
Outer rocky layer of the earth, composed of crust and upper mantle
#4
Front (Question)
What is the hydrosphere
Back (Answer)
A sphere that contains all of the water on Earth. more than 70% of Earth is water
#5
Front (Question)
What is the frozen part of hydrosphere called
Back (Answer)
cryosphere