You Are a Coastal Geologist Trying to Help a Coastal

question 30

Multiple Choice

You are a coastal geologist trying to help a coastal community restore its sediment-starved beach.You decide that beach nourishment is the best option,so you order that dredge sediment from the nearest river be placed on the beach.The sediment is 70% silt and 30% sand.What will be the effect of using this sediment?

• A)The silt will be washed away by the waves,leaving the beach no better off.
• B)The sand will be washed away by the waves,but the silt will fix the problem.
• C)All the sediment will remain on the beach and will fix the problem.
• D)All the sediment will remain on the beach,but it will become muddy and filthy.

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Definitions:

Sensory Information

involves data processed by sensory systems, allowing organisms to perceive their environment.

Nervous System

A complex network of nerves and cells that transmit signals between different parts of the body; it is responsible for coordinating and regulating bodily functions.

UV Light

Ultraviolet light, a type of electromagnetic radiation with wavelengths shorter than visible light, capable of causing chemical reactions and harmful effects to living organisms.

Vitamin D

A fat-soluble vitamin that is important for maintaining bone health, supporting immune function, and aiding in the absorption of calcium and phosphorus.