How Much Water Is In The World Mystery 7

Front

A human can go about ___________ days without water?

Back

3 days

Front

The oceans on our planet are made of ___________

Back

Salt water

Front

TRUE or FALSE: In earlier times most cities were formed by a fresh water source like a river or lake.

Back

TRUE

Front

Approximately how long can you live without food?

Back

Three Weeks

Front

Who was Jose Alvarenga?

Back

A fisherman who was lost at sea for 14 months & survived

Front

What is the main source of fresh water on Earth?

Back

Glaciers and ice caps

Tags

NGSS.MS-ESS2-4

Front

What percentage of Earth's water is salt water?

Back

About 97%.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Tags

NGSS.MS-ESS2-4

Front

What is the importance of fresh water?

Back

It is essential for drinking, agriculture, sanitation, and industry.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

Front

What is desalination?

Back

The process of removing salt from seawater to obtain fresh water.