Identify two positive feedback loops in Earth's climates system. Why is Earth's climate stable despite these destabilizing, positive feedbacks?
What will be an ideal response?
The water vapor feedback is a positive feedback that tends to amplify small temperature perturbations. The ice albedo feedback is another positive feedback that tends to amplify changes to the Earth's surface temperature. Earth's climate is stable because of the negative feedback between the surface temperature and the flux of outgoing infrared radiation.
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In a longitudinal wave, the compressions and rarefactions travel in
A) the same direction. B) opposite directions. C) neither A nor B
How is the habitable zone around a star defined?
What will be an ideal response?
The U.S. government has provided huge subsidies, tax breaks, and loan guarantees to the nuclear power industry.
Answer the following statement true (T) or false (F)
The diagnosis of heatstroke is usually made when a patient has a high core body temperature and:
A) an altered mental status. B) an absence of sweating. C) a history of heat exposure. D) a heart rate above 140 beats/min.