Environmental Science
Lead poisoning

increases O2 carrying capacity of myoglobin in muscles
reduces O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of hemoglobin in blood
reduces O2 carrying capacity of myoglobin in muscles

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Environmental Science
The atmosphere near the earth's surface is "heated from below." Which of the following does not significantly contribute to this heating?

Absorption of infrared energy that has been radiated from the surface
Heat energy from the earth's interior
Conduction of heat upward from a hot surface
Convection from a hot surface

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