Chronic bronchitis is permanent inflammation of the airways accompanied by excess mucus production. Correct answer: C
The air sacs in the lungs lose most of their ability to function, the airways are always inflamed and more mucus is created.
You didn't put the option so Ill just explain what reinforcement which is the process of encouraging or establishing a belief or pattern of behavior, especially by encouragement or reward.
This is termed as spontaneous recovery.
In Psychology, the area of study where behaviors and learning are the focus is termed as behaviorism. Behaviorists focuses on discerning behaviors that are favorable and reinforced rather than those unconditioned and punished.
One type of behavioral conditioning called operant conditioning recognizes punishment and reinforcement.
You should try to make eye contact often, but not the whole conversation; you should be presenting a sense of actually focusing on what the person is telling you, rather than just hearing what they are saying just because you are there. You should also ask questions in order to receive clarification of what was just said from the speaker. you most importantly shouldnt be into foreign topics, but rather build up on what you hear.
hope this helps
The answer would be water because you can weight but it has no shape.