Some Scientists Predict That as Atmospheric Carbon Dioxide Levels Increase,the

question 31

Multiple Choice

Some scientists predict that as atmospheric carbon dioxide levels increase,the pH of the oceans will drop,threatening coral and organisms with shells.What is the best explanation for this hypothesis?

• A) Carbon dioxide combines with water to form a base.
• B) Carbon dioxide combines with water to form an acid.
• C) As the pH of the ocean decreases, more carbon dioxide is released into the atmosphere.
• D) As the pH of the ocean increases, more carbon dioxide is released into the atmosphere.
• E) As the oceans warm, more water is evaporated, lowering the pH of the remaining water.

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Definitions:

Variable

An element, feature, or factor that is liable to vary or change.

Confidence Interval

A gamut of values, arising from sample statistic evaluation, with a high likelihood of encompassing the value of a mysterious population parameter.

Sample Size

The number of observations or cases used in a study or experiment, which can impact the reliability and validity of statistical results.

Variable

Any characteristic, number, or quantity that can be measured or quantified, which can vary among subjects in a study.