The video tutorial discusses various types of water, including saltwater, freshwater, brackish water, potable water, mineral water, distilled water, and polluted water. It explains the characteristics, uses, and locations of each type. The video also highlights the global challenge of accessing potable water, citing statistics from the World Health Organization and UNICEF. The tutorial concludes with a call to action for viewers to engage with the content and share it.

What is the main topic of the video?

• Water Pollution

• Water Cycle

• Water Conservation

• Types of Water

What percentage of the Earth's water is saltwater?

• 50%

• 99%

• 75%

• 97%

Why is freshwater not called 'sweet water'?

• It contains sugar

• It has a low amount of salts

• It is not drinkable

• It is found in oceans

Where is brackish water typically found?

• In the ocean

• In rivers

• Near mangroves

• In lakes

What is potable water?

• Water that is salty

• Water that is safe to drink

• Water that is used for irrigation

• Water that is found in oceans

How many people in Brazil lack access to potable water?

• 10 million

• 30 million

• 20 million

• 40 million

What is the main characteristic of mineral water?

• It is found in rivers

• It contains medicinal properties

• It is used in batteries

• It is artificially produced

How is distilled water produced?

• By boiling

• By filtration

• By distillation

• By freezing

What is a key difference between polluted and contaminated water?

• Contaminated water has no harmful substances

• Polluted water is safe to drink

• Contaminated water is found in oceans

• Polluted water has altered physical and chemical properties

What can contaminated water contain that makes it dangerous?

• Sugar

• Organisms causing diseases

• High levels of oxygen

• Minerals