Intro to Earth's Systems

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What provides the energy that drives the water cycle?

A volcano is an example of one of these forces. Lava and ash flow down into nearby habitats when a volcano initially erupts. Which subsystem of Earth would the volcano eruption affect initially?

Most of the freshwater is tied up in one of two different forms. In what form is 70% of Earth’s freshwater found?

Sarah learned natural forces are either destructive, like a volcano, or constructive, like mountain ranges. However, she read that water can be considered both a constructive and destructive force. In what way can water be a destructive force?

What is the relationship between the hydrosphere and the cryosphere?

If the hydrosphere changed, other spheres would be affected. What is one possible way the biosphere might change?

Which word means a measure of the height at a point above or below sea level?

He showed his dad that water travels through all the spheres. Felix also showed him that the total amount of water on Earth has stayed the same. Why has the total amount of water in the water cycle remained constant?