Which Method Has No Effect on Reducing Thermal Water Pollution

question 102

Multiple Choice

Which method has no effect on reducing thermal water pollution? 

• A) using cooling towers 
• B) directing heated water away from the ecologically vulnerable shore zone 
• C) discharging hot water into ponds, allowing it to cool, and then reusing the same water 
• D) using more electricity

---

Definitions:

α

Often represents the level of significance in statistical tests, marking the probability threshold below which the null hypothesis is rejected.

Degrees of Freedom

The quantity of independent variables or measures that can change during the computation of a statistic.

T Distribution

A probability distribution used in statistics that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Sample Size

The number of observations or data points that are used in a statistical sample.