Answer:
After he has adjusted to his exercise routine he should increase the intensity of the workout. Ex. add weight/ increase reps. This will help get his heart rate higher.
Explanation:
Heroin, Crack, Xanax, Coke, Meth, LSD
You want to be able to treat the disorder before it gets too bad and irreparable. If you figure out whats going on and what food or substances are causing the issue, you can avoid those and take other precaustions as well.
The answer is most probably C or none .
Prices. The more scarce a resource, the pricier it is. so, you can buy less of that resource. This will have income and substitution effects on your financial management.