Why Are Flash Floods More Common in Dry Climates Than

question 30

Multiple Choice

Why are flash floods more common in dry climates than wet climates?

• A)The rainfall intensity is greater.
• B)Individual storms last longer.
• C)The soil is less permeable.
• D)The river channels are not as deep.
• E)The channel gradients are steeper, so the water flows faster.

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Definitions:

Hypertonic

A solution having a higher concentration of solutes compared to another solution, resulting in the movement of water out of a cell if placed in such a solution.

Hypotonic

Describes a fluid that has a low overall solute concentration relative to another fluid.

First Law of Thermodynamics

A principle stating that energy cannot be created or destroyed, only transformed or transferred, in a closed system.

Potential Energy

Energy stored in the position or arrangement of a system’s components.