Lesson 4.3

A point source is easier to clean up than a non-point source.

• True

• False

An example of a point source is

• oil spill from a large ship

• chemical runoff from agriculture

• polluted rainwater

• all of the options are point sources examples

Answer explanation

Hint: A point sources comes only from a single point (location)!

Which of the following describes a non-point source?

• It is broad

• It is diffuse

• It is expensive to clean up

• All the options describe a non-point source

The two main sources of water for the UAE are

• surface water and desalinated water

• ground water and desalinated water

• surface water and ground water

• treated waste water and desalinated water

The UAE is one of the highest consumers of water in the world. Which of the following activities uses the most water?

• toilets

• washing machines

• showers

• outside water use

Which of the following is a method used by the UAE to create clean drinking water?

• desalination

• treating waste water

• collecting rainwater

• surface water

The population in the UAE is growing quickly leading to high energy and water demand. Which of the following methods can citizens implement to use water more efficiently?

• install water saving shower heads

• water lawns during the morning or evening

• use front loading washing machines

• all of the options will save water

Which of the following is a main source of water contamination?

• mining

• agriculture activities

• industrial facilities

• all of the options are sources of water contamination

Which of the following water quality tests can be used to measure the amount of oxygen in water?

• chemical analysis

• measuring levels of E. coli

• looking at the color and turbidity of the water

• measuring DO content

The three main water consumption sectors in the UAE are:

• agriculture, private households and industry

• industry, factories and private households

• private households, agriculture and desalination plants

• desalination plants, industry and agriculture