ES Midterm Challenge

A common toxin found in water due to old pipes is

• mercury

• nitrates

• lead

• phosphates

A water with a pH of 10 is

• acidic

• basic (alkaline)

• neutral

Which person below would most likely suffer the most from the water crisis?

• Lena 24, Florida

• Williams, 14 Australia

• Priya, 10, India

• Joshua, 16, Hawaii

An example of a sustainable solution to the water crisis is

• Build 3 water pumps that tap from groundwater to a village in Haiti

• Provide access to a clean lake 2 miles from a village in Afghanistan

• Ship 1000 water bottles to a village in Gambia every month

Collecting water debris in large "clumps" with the use of chemicals such as aluminum sulfate is called

• coagulation

• flocculation

• distillation

• filtration

Bacteria found in the intestines of animals that can contaminate water is called

• bacteriophages

• Bolulinin

• cauliflower

• coliforms

Which of the following is an illness that can occur from drinking contaminated water

• Dysentery

• Cholera

• E. coli infection

• all of the above

The most common symptom of waterborne illness is

• coughing

• fever

• headache

• diarrhea

Using green plants to clean water is called

• phytoremediation

• filtration

• distillation

• coagulation

Water must be treated

• Before use

• After use

• Both before and after use

• Only if it comes from a river