The Concentration of Nutrients in the Waters Over the Continental

question 22

Multiple Choice

The concentration of nutrients in the waters over the continental shelf is typically:

• A)Higher than in the open ocean.
• B)Lower than in the open ocean.
• C)About the same.
• D)No generalizations can be made: the amount of nutrients depends on the type of substrate.
• E)No generalizations can be made: the amount of nutrients depends on having or not having kelp.

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Definitions:

Radiation

Energy emitted in the form of waves or particles, used in a variety of applications including medical imaging and cancer treatment.

Irradiation

Exposure to radiation, often for the purpose of medical treatment or food preservation.

Radiograph

An image created using radiation, typically X-rays, to visualize the internal structure of an object or body.

Radiopaque

Having the property of absorbing X-rays, and therefore visible on an X-ray image.