<span>d. levothyroxine is the answer</span>
Explanation:
Agriculture, Food & Natural Resources.
Architecture & Construction.
Arts, Audio/Video Technology & Communications.
Business, Management & Administration.
Education & Training.
Finance.
Government & Public Administration
Depends on how fast he runs in a sitting. If he runs slow during the 20 minutes he isn't getting much done :D.
B. Sleep Disorders because thats mental