The graph shows altitude and atmospheric pressure. Altitude (feet) Air Pressure (pounds per square inch) sea level 14.7 10,000 10.2 20,000 6.4 30,000 4.3 40,000 2.7 50,000 1.6 In which layer of the atmosphere is air pressure the lowest? (1 point) Responses the troposphere the troposphere the mesosphere the mesosphere the thermosphere the thermosphere the stratosphere

The answer is the mesosphere. The graph shows that the air pressure decreases as altitude increases, and the lowest air pressure is at 50,000 feet, which is in the mesosphere.

The graph shows altitude and atmospheric pressure. Altitude (feet) Air Pressure (pounds per square inch) sea level 14.7 10,000 10.2 20,000 6.4 30,000 4.3 40,000 2.7 50,000 1.6 In which layer of the atmosphere is air pressure the lowest? (1 point) Responses the troposphere the troposphere the mesosphere the mesosphere the thermosphere the thermosphere the stratosphere

The answer is the mesosphere. At an altitude of 50,000 feet, the air pressure is the lowest, which falls within the mesosphere layer of the atmosphere.