Almost every night, Rico's roommate appears to stop breathing while he sleeps. Rico mentioned this to his roommate, who then went to the student health center for a consultation. It was determined that the symptoms of Rico's roommate were caused by .

Asthma

Explanation:

I have no idea if this is right and it probably isn't but I think asthma is when it's harder to breathe right?

answer; ok in rural area most people depend on private transportation(cars),pick up truck,donkey and buggy: ),and urban people can walk or ride public transportation,bus,train cab,uber.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it