One definition of dry air is a theoretical sample of air that has no water vapor. ... Another definition of dry air is air that has a low relative humidity. When the relative humidity drops below about 40% the air feels dry to skin.
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it enhances antibody production by t cells of the adaptive immune system.
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explanation:
Answer from: Quest
the statement is true
Another question on Biology
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(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.