Which is the best example of a closed system?
A) a space station
B) a forest
C) a hotel
D) a lake
E) a river
Correct Answer:
Verified
Q21: Water expands when it crystallizes and freezes.
Q22: A biological community consists of all
A)populations living
Q23: Which is not a characteristic of acids?
A)they
Q24: How do the organisms living around Yellowstone's
Q25: Living plants and the ocean are known
Q27: Photosynthesis is a step in the global
Q28: Which biogeochemical cycle lacks an atmospheric component?
A)the
Q29: Nitrogen is an essential component of amino
Q30: All members of a species that live
Q31: Based on what you know of photosynthesis,what
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