People with emphysema often have a difficult time with air trapping, which is air left in the lungs following expiration, often due to the destruction of the alveoli. pulmonary rehabilitation educates people who suffer from this disease to use which muscles to air leave the lungs more effectively?

Diaphragm

Explanation:

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

the growth of the plants is affected by the heat of the light. what is the student doing?