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.

C

Explanation:

highly heritable and is also associated with environmental factors.

c.) highly heritable and is also associated with environmental factors

Explanation:

i have ADHD I have done lots of research on it and this answer is the closest to it.

?

a problem could be dealing witj emotional stress..all of these factors contribute to emotional stress.