Water Safe To Drink

Question 1

Providing People with Water that is Fit to Drink is Called ____________ Water and it’s a Major Issue Around the World.

Answer 1

Potable.

Question 2

Rainwater Dissolves Some Gases From the Air as it ________ to the Ground.

Answer 2

Falls.

Question 3

How can Water be Purified?

Answer 3

• Passing the Untreated Water through Filter Beds Made of Sand and Gravel to Remove Solid Particles.
• The Addition of Chlorine or Ozone to Sterilise the Water by Killing Microorganisms Without Adding Chemical Sterilising Agents, by Passing Ultra-Violet Light Through the Water.

Question 4

Reverse Osmosis Uses Membranes to Separate ____________ Salts From Salty Water, but this Method of Desalination Also Uses Energy to Make the ______ Pressures Needed.

Answer 4

Dissolved…High…