Which example illustrates a negative feedback loop?
A. melting polar ice
B. exponential population growth
C. a thermostat maintaining a certain temperature in your house
D. the greenhouse effect
E. vegetation removed from a stream valley
Answer: C
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Several companies manufacture large world globes for display in museums, corporate lobbies, and science exhibit halls. If such a globe featured a diameter of 4 m (13 ft), what is the scale of this globe expressed as a representative fraction? (Show your work.) (Hint: Earth’s equatorial diameter = 12,756 km [7926 miles].)
What will be an ideal response?
"How does convection work?"
What will be an ideal response?
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How could global climate change be connected with an increase in malaria cases?
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