An antitussive is a a. non-productive cough. b. cough-suppressant medication. c. cough medication used for drying up secretions. d. cough medication that increases and liquefies the mucus secretions.

B. cough-suppressant medication.

Explanation: Antitussives are commonly ordered for the dry, hacking, nonproductive cough that keeps the patient up at night. An antitussive helps to suppress the cough. Cough preparations may also contain antihistamines to dry up secretions, decongestants to reduce swelling in the nasal passages, and flavoring to improve the taste... PF

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )

reserve is the answer