Chemistry, 12.07.2019 02:20, skywil8981
Air pressure is lower at high altitudes. an airplane cabin can adjust, but as the plane rises, passengers can experience temporary pain in their ears. check all facts below that explain why. the air pressure in the ears increases. the air pressure in the ears decreases. the volume of air in the ears increases. the volume of air in the ears decreases. the change in volume causes discomfort. it takes time for the ears to dispell excess air past the ear drum.
Answers: 2
Chemistry, 22.06.2019 19:20, Lovelybunny321
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 23.06.2019 00:00, scottykinkade7860
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
Air pressure is lower at high altitudes. an airplane cabin can adjust, but as the plane rises, passe...
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