Which Event Is Best Represented by the Hydrograph Shown Here

question 45

Multiple Choice

Which event is best represented by the hydrograph shown here?

• A)a summer thunderstorm
• B)a very long period of steady light rain
• C)a long drought with no rain for months
• D)a winter snowstorm followed by very cold weather

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Definitions:

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions. In biology, it often refers to differences across a membrane.

Carrier

A molecule or protein that transports substances across a cell membrane, or a person or animal that transmits a disease-causing agent without showing symptoms.

Mediated Transport

The process of moving molecules across a cellular membrane through the use of specific protein channels or carriers.

Carrier Molecules

Molecules that help transport substances across a cell membrane or within the body, similar in function to carrier proteins but can include a broader range of molecules.