Which Human Activity Is Least Likely to Be a Major

question 15

Multiple Choice

Which human activity is least likely to be a major threat to marine systems?

• A) overfishing
• B) sinking of ships to create artificial reefs
• C) runoff of nonpoint source pollution
• D) invasive species introduced by humans
• E) habitat destruction from coastal development

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Definitions:

Reverse Fault

A type of fault where the hanging wall moves up relative to the footwall, often created by compressive forces.

Normal Fault

A type of fault where the hanging wall has moved downward relative to the footwall, typically associated with extensional tectonics.

Horizontal Compression

A stress regime where forces push inwards from opposite sides, often leading to folding, faulting, or shortening of the Earth's crust.

Horizontal Tension

The stress exerted in a horizontal direction, often leading to stretching and thinning of the crust.