Attention-deficit hyperactivity disorder (ADHD):________. a) is most commonly treated using behavior modification techniques. b)
not usually a lifelong disorder. c) highly heritable and is also associated with environmental factors. d) most often caused by a highly stressful home life.
Bronchitis is inflammation in the bronchial tubes that causes excess mucus, which is why people with bronchitis often cough so much. So, the answer would be B.