Recent Studies Indicate That Sperm Counts Worldwide Have Dropped Dramatically

question 122

Multiple Choice

Recent studies indicate that sperm counts worldwide have dropped dramatically.One reason for this decrease might be

• A)an increase in toxic substances in the environment.
• B)changes in clothing styles.
• C)more men waiting until their thirties to have children.
• D)a decrease in the use of chemicals that mimic hormones.

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Definitions:

Straight Line

A geometric figure formed by a set of points in a fixed linear relationship, extending infinitely in both directions.

Variable

In economic and mathematical contexts, a variable is an element, feature, or factor that is liable to vary or change.

Infinite Slope

A mathematical concept where a line or curve on a graph approaches a vertical position, indicating a very steep, immeasurable change.

Curve

A smooth, continuous line or path that is not straight, often used in mathematics and economics to represent relationships between variables.