Environmental Science
When clouds are viewed near the horizon, the individual cloud elements usually:

Appear closer together than is actually the case
Appear farther apart than is actually the case
Appear to have more vertical development than is actually the case
Appear lighter in color than is actually the case

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Environmental Science
Lead poisoning

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

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