Water Resources and Freshwater Facts

The video discusses the distribution of water on Earth, highlighting that 70% of the planet's surface is covered by water, with 97% being saltwater in oceans. It explains the water cycle's importance and how human activities like dam construction affect water availability. The video details different water bodies, including oceans, rivers, and aquifers, and provides statistics on freshwater distribution. It addresses water scarcity issues, noting that only 0.007% of Earth's water is potable, and emphasizes the challenges faced by millions lacking access to clean water. The video concludes with a call to action for viewers to engage with the channel.

What percentage of Earth's surface is covered by water?

• 50%

• 60%

• 70%

• 80%

Which of the following is NOT one of the four major oceans?

• Indian Ocean

• Atlantic Ocean

• Pacific Ocean

• Mediterranean Sea

What is the main reason why ocean water is not suitable for human consumption?

• High salt content

• Lack of oxygen

• Presence of marine life

• High temperature

What percentage of Earth's water is freshwater?

• 10%

• 2.5%

• 1%

• 5%

Which of the following water bodies is known for having both fresh and saltwater?

• Lagoons

• Lakes

• Rivers

• Oceans

What is the term used to describe the movement of water from one place to another and from one form to another?

• Evaporation

• Water cycle

• Condensation

• Precipitation

Where is the majority of Earth's freshwater stored?

• Glaciers

• Lakes

• Underground aquifers

• Rivers

What percentage of Earth's freshwater is found in glaciers?

• 30.1%

• 68.7%

• 0.8%

• 12.2%

What percentage of Earth's water is potable?

• 0.007%

• 2.5%

• 0.1%

• 1%

How many people globally lack direct access to potable water?

• 768 million

• 500 million

• 1 billion

• 1.1 billion