Global Warming Is Caused Mainly by

question 76

Multiple Choice

Global warming is caused mainly by

• A)greenhouse gases that accumulate in the atmosphere.
• B)changes in the earth's orbit around the sun.
• C)increases in the use of solar energy.
• D)the collective body heat given off by increasing populations.

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Definitions:

Population Proportions

The fraction or percentage of a population that is characterized by a certain trait or attribute.

Sample Proportions

The ratio of members in a subset of a population to the total population, used in statistical analysis.

Normal Distribution

A bell-shaped probability distribution characterized by its mean and standard deviation, describing how data values are spread around the mean.

Mass Production Line

A method of manufacturing that uses assembly lines and automation to produce a large number of identical items quickly.