How is the earth like a closed system?
A. Matter but not energy moves through the system...
Biology, 25.03.2020 20:49, steven2669
How is the earth like a closed system?
A. Matter but not energy moves through the system
B. Matter does not move in and out of the system but energy does
C. Matter and energy does not move through a system
D. Matter and energy moves in and out of a system
Answers: 2
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How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?
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When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d. higher
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