Which of the Following Is Evidence of Recent Changes in Polar

question 101

Multiple Choice

Which of the following is evidence of recent changes in polar regions?

• A)Increase in meltponds
• B)Decrease in Arctic sea-ice volume
• C)The breakup of ice shelves
• D)Ice sheet darkening
• E)Decrease in sea ice volume,ice sheet darkening,increased meltponds,and ice shelves calving are all evidence of recent changes in polar regions.

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Definitions:

Hertz

A unit of frequency in the International System of Units (SI), symbolized as Hz, denoting one cycle per second.

Salivate

The production and release of saliva from the salivary glands in the mouth, often in response to the sight, smell, or taste of food.

Conditioned

The process by which an organism learns to associate two stimuli, leading to changes in behavior.

Shaping

A method of training by which successive approximations toward a desired behavior are reinforced.