Which Substance Is Largely Removed by the Combined Effects of Primary

question 4

Multiple Choice

Which substance is largely removed by the combined effects of primary and secondary wastewater treatment? 

• A) toxic metals and synthetic organic chemicals 
• B) radioactive isotopes 
• C) organic oxygen-demanding wastes 
• D) organic pesticides

---

Definitions:

In the Money

A term used in options trading indicating that the option has intrinsic value.

Call

An option contract giving the owner the right, but not the obligation, to buy a specified amount of an underlying asset at a set price within a specified time.

Positive Intrinsic Value

The condition where an option or other financial instrument has a market price below its calculated value, suggesting undervaluation.

In-the-Money

An option is considered in-the-money when it has intrinsic value, meaning that for a call option the market price of the asset is above the strike price, and for a put option, it's below the strike price.