How are ions involved in communication'?

The tourism industry’s main job is to cater to customers who 1. travel for pleasure 2. seek the fanciest place to stay overnight 3. want an exquisite dining experience 4. desire to take part in a recreational activity.

What is the correct way to represent 5600 l using scientific notation? a)-5.6 x 1034 b)-5.6 x 10-3 l c)5.6 x 10-3l d)5.6 x 103 l

Treatment of psychological disorders: a. can offer significant relief b. often makes the problem worse. c. is often unclear d. is rarely .