If Photosynthesis Were to Disappear on Earth

question 44

Multiple Choice

If photosynthesis were to disappear on Earth,

• A) the atmosphere would become less dense.
• B) oxygen would disappear from the atmosphere.
• C) the atmosphere would become hotter.
• D) nitrogen would disappear from the atmosphere.
• E) the amount of water vapor in the atmosphere would decrease.

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Definitions:

Point Estimates

Statistical measures that provide the best single estimation of an unknown population parameter.

Unbiased Estimator

A statistic used to estimate a parameter that is expected to equal the true parameter of the population.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter with a certain level of confidence.

Population Parameter

A numerical characteristic or measure that describes an aspect of a population.