Chapter 2 NORTH AMERICA

Drugs and Water Supply

After watching the Drugs and Water Supply video, consider the questions below. Then "submit" your response.

1. Which of the following types of drugs have been found in trace amounts in Lake Mead?

Birth control pills.

Steroids.

Narcotics.

All of the above.

2. Why is the presence of trace amounts of drugs in Lake Mead a concern?

It spoils the beauty of the lake.

It interferes with the mechanisms of the electricity-generating turbines.

The lake provides drinking water for many cities in the Southwest.

It makes the lake dry up.

3. Scientists are concerned that trace amounts of the hormones in birth control pills are

Harming people directly.

Causing male fish to have female characteristics and reproductive problems.

Causing harm to animals that eat fish.

Killing vegetation in the water.

4. Out of the 62 major metropolitan area water systems sampled, how many showed trace quantities of prescription drugs?