Overnight Temperatures Are Warmer When the Air Is Humid Because

question 74

Multiple Choice

Overnight temperatures are warmer when the air is humid because:

• A) water vapor and clouds cause the Earth system to have a higher nighttime albedo.
• B) water vapor is a good absorber of incoming shortwave radiation, causing more energy to be stored during the day.
• C) water vapor is good at scattering longwave radiation.
• D) water vapor is a good absorber of outgoing longwave radiation.

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Definitions:

F-statistic

A ratio used in statistical analysis to determine if the variances between two populations are significantly different.

F-test Statistic

A ratio of two variances that follows an F-distribution, used to compare sample variances and test hypotheses about the equality of population variances.

Regression Equation

An equation that predicts a dependent variable based on one or more independent variables, typically in the form Y = a + bX for simple linear regression.

Independent Variables

Variables in a statistical model that are manipulated or controlled to test their effect on dependent variables.