Atmosphere Unit Test 1 of 121 of 12 Items Question What happens to air pressure and the amount of oxygen as the altitude increases in Earth’s atmosphere?(1 point) Responses Air pressure increases, while the amount of oxygen decreases. Air pressure increases, while the amount of oxygen decreases. Air pressure decreases, while the amount of oxygen increases. Air pressure decreases, while the amount of oxygen increases. Both air pressure and the amount of oxygen increase. Both air pressure and the amount of oxygen increase. Both air pressure and the amount of oxygen decrease