Which Type of Contamination CANNOT Be Removed from Water by Boiling

question 4

Multiple Choice

Which type of contamination CANNOT be removed from water by boiling or disinfecting?

• A)Viral diseases
• B)Sewage
• C)Toxic chemicals
• D)All of these contaminants cannot be removed

---

Definitions:

Required Rate

The minimum acceptable rate of return on an investment, considering its risk.

Cash Flow Growth

refers to the increase in the amount of cash that a company generates over a period, indicating how well a company is generating more cash from its operations.

Growing Annuity

A growing annuity is a series of cash flows that grow at a consistent rate per period over a finite number of periods.

Compounded Annually

The process of earning interest on both the initial principal and the accumulated interest from previous periods, calculated once a year.