If a Chemical Is Not Very Abundant in the Ocean

question 58

Multiple Choice

If a chemical is not very abundant in the ocean but has a high rate of delivery to the ocean from land sources, it will have a __________ residence time in the ocean and will ________ become part of the seafloor sediments.

• A) long; quickly
• B) long; slowly
• C) short; quickly
• D) short; slowly
• E) variable; variably

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Definitions:

Null Hypothesis

A hypothesis in statistical inference and hypothesis testing that suggests no significant effect or relationship exists in the data.

Critical Value

A threshold value in hypothesis testing, beyond which we reject the null hypothesis in favor of the alternative hypothesis.

P-Value

A measure in statistical hypothesis testing that helps in determining the significance of the results.

Null Hypothesis

The hypothesis that there is no effect or no difference, serving as the default assumption in hypothesis testing.