What Is Happening to the Water Supply of North Africa

question 51

Multiple Choice

What is happening to the water supply of North Africa and Southwest Asia?

• A) It is declining, mostly due to evaporation.
• B) It is declining, mostly due to population growth and new modern uses.
• C) It is increasing, as the deserts recede.
• D) It is increasing, due to population decline and water rationing.

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Definitions:

Ratio Scale

A quantitative scale of measurement that has a true zero-point and units of equal intervals, allowing for the comparison of absolute magnitudes of numbers.

Interval Scale

A type of measurement scale that represents both the order of data points and the exact differences between them, but without a true zero point.

Histogram

A graphical representation using bars of various heights to show the distribution of data over a continuous interval or certain period of time.

Research Hypotheses

Proposed explanations or predictions that are based on limited evidence and can be tested through further investigation.