Answer:
A
Explanation:
Laws. The system of rules, or statutes made by the government of a country, state, city. Statutes are enacted by legislative body, then signed by the ranking official (President/Governor). Everyone must follow them to be legal. Regulation is an abstract concept of management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society
A lot of caffeine if you don't wanna ruin your lungs, vaping and smoking are stress relievers and I heard that it helps with homework but since I'm a xc runner that wouldn't be very good on my lungs and I don't recommend it.