Which of the Following Is NOT True of the Phosphorus

question 29

Multiple Choice

Which of the following is NOT true of the phosphorus cycle?

• A) phosphorus never enters the atmosphere
• B) phosphate only becomes available when a geological upheaval exposes sedimentary rocks
• C) phosphate is often a limiting nutrient in most ecosystems
• D) phosphate detergents are a major source of eutrophication
• E) the phosphorous cycle is not affected by human activities

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Definitions:

Probability Distribution

A function in mathematics that determines the probability of each possible outcome in an experimental scenario.

Random Variable

A variable whose possible values are outcomes of a random phenomenon.

V(X + Y)

The variance of the sum of two random variables, considering both their individual variances and covariance.

V(X)

The variance of a random variable X, representing the expectation of the squared deviation of X from its mean.