Which of the Following Is Evidence of the Shortage of Fresh

question 71

Multiple Choice

Which of the following is evidence of the shortage of fresh water now found around the world?

• A) China's supply of ground water is declining rapidly.
• B) Water supply in the Middle East is at a critical level.
• C) Mexico City has pumped so much water from the ground that the city continues to sink about two inches per year.
• D) All of the above are correct.

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Definitions:

Blinking

The rapid closing and opening of the eyelid, a reflex that helps to protect the eye from irritants and distribute tear fluid.

Conditioned Stimulus

An initially neutral signal that, upon being linked with an unconditioned stimulus, ultimately incites a learned response.

Clicking

In the context of computer usage, it refers to pressing and releasing a button on a mouse or other input device to select or interact with elements on a screen.

Unconditioned Stimulus

A stimulus that naturally triggers a response without prior learning.