HYDRO2

The salt in salt water....

• comes from the sand, which rivers dissolve and

  transport to the sea. It also comes

  from underwater volcanic eruptions.

• comes from the surface

  of trees and vegetation, which rivers dissolve and

  transport to the sea. It also comes

  from underwater volcanic eruptions.

• comes from the surface

  of rocks, which rivers dissolve and

  transport to the sea. It also comes

  from underwater volcanic eruptions.

• comes from the bottom side

  of rocks, which rivers dissolve and

  transport to the sea. It also comes

  from underwater volcanic eruptions.

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is the water in our seas

and oceans. It has an average salt

concentration of 35 g/L of water.

• Fresh water

• Salt water

You can drink fresh water

• true

• false

fresh water can only be found in liquid form

• true

• false

an_____ is the layers of rock and soil which can hold water. The water comes

from melting ice and rainwater or surface water, which passes slowly

through permeable1 rocks in the ground until it reaches it

• reservoir

• permafrost

• aquifer

• well

are the largest reservoirs2 of fresh water on Earth. They’re at the poles

in the form of ice caps or in mountainous areas in the form of alpine glaciers.

• glacier

• permafrost

• aquifer

• well

.A lot of fresh water is also

frozen in the ground. It forms

a layer called _____

• glacier

• permafrost

• aquifer

• well

The hydrosphere is all the water (liquid, solid or gas) on the Earth,

the only planet in our Solar System with water in all three states

• false

• true

¿Quién dijo que el agua le daba muchísima salud?