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

question 52

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

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Definitions:

Ethnic Groups

Categories of people who identify with each other based on common ancestral, social, cultural, or national experiences.

Independent Variable

In an experiment, the variable that is added by the researcher to see if it affects the dependent variable.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Researcher

An individual who conducts detailed and systematic investigation into a subject area with the purpose of discovering or establishing new knowledge.