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Which of the Following U

question 12

Multiple Choice

Which of the following U.S. industries is NOT yet greatly challenged by foreign competitors?

Definitions:

Permafrost

A layer of soil or rock, below the surface of the earth, that remains frozen for two or more consecutive years, found mostly in polar regions.

Permanently Frozen Ground

Ground that remains at or below 0°C (32°F) for at least two consecutive years, typically found in polar regions, known as permafrost.

Hadal Zone

The Hadal Zone refers to the deepest regions of the ocean, typically found in oceanic trenches, and ranges in depth from about 6,000 to 11,000 meters.

Benthic Environment

The ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.