The Largest Reservoir of Methane Is Found

question 17

Multiple Choice

The largest reservoir of methane is found

• A) trapped under permafrost and marine sediments.
• B) in the rumen of cows and other ruminant animals.
• C) in the atmosphere.
• D) trapped in volcanic rocks.

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Definitions:

Common Variance

The variance shared by two or more variables, often used in the analysis of variance.

Weighted Average

An average that accounts for the different weights or importance of certain factors or quantities in the dataset.

Sample Variances

Sample variances measure the dispersion or spread of data points in a sample around their sample mean, indicating the degree of variation within the sample.

Expected Value

The long-run average value of repetitions of the experiment it represents, known in statistics as the mean of the probability distribution.