Which is these regulations fall under the jurisdiction of the environmental protection agency

The Environmental Protection Agency (EPA) is a government agency that is responsible for protecting both the health of the people and the environment. It was founded in 1970 by President Nixon after a growth in public concern about the impact that man could have on the environment (through the misuse of natural resources, pollution through automobile emissions, etc.)

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.

rosevelt. 1973. "slaves everywhere"