What Is the Main Cause of the Decline in the Size

question 54

Multiple Choice

What is the main cause of the decline in the size of the Aral Sea?

• A)A dam failed and as a result it drained the Aral Sea reservoir.
• B)Pesticides contaminated the fish living in the sea and thus the water was drained to try and restore the fishstock.
• C)Water was diverted from the sea to irrigate cotton in the Soviet Union.
• D)Global warming lowered water levels due to decreases in precipitation and increases in evaporation.

---

Definitions:

Discrimination Gradient

The degree to which an organism can differentiate between two stimuli, indicating the sensitivity of its perceptual systems.

Knee Jerk Response

A rapid automatic reaction to a stimulus, often used metaphorically to describe an immediate but unthinking reaction.

Literal "Knee Jerk Response"

A reflexive action of the leg kicking outward when the knee is tapped, used metaphorically to describe an immediate and unthinking response.

Anticipation

The action of expecting or predicting something based on current knowledge or instincts.