Which Statement Is a Common Misconception with Regard to Earth's

question 20

Multiple Choice

Which statement is a common misconception with regard to Earth's atmosphere?

• A) The carbon dioxide added to the atmosphere since the year 1800 is mostly or entirely due to human burning of fossil fuels.
• B) All of Earth will warm at the same rate if there is global warming.
• C) The ozone layer in the upper atmosphere protects the lower atmosphere and Earth's surface from harmful solar UV radiation.
• D) Global warming and ozone depletion are two very different activities in Earth's atmosphere.
• E) Earth has experienced a greenhouse effect its entire planetary history.

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Definitions:

Experimenter Bias

A form of bias introduced by the experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants.

Researchers Blind

A method used in studies where researchers are kept unaware of key aspects of the research, such as which participants belong to the control or experimental group, to prevent bias.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Random Error

Variability in data that arises from unpredictable fluctuations and inconsistencies in the measurement process.