Why Is It That Environmental Teratogens May Be Even More

question 72

Multiple Choice

Why is it that environmental teratogens may be even more treacherous to deal with thanother factors such as maternal illnesses or the use of drugs during pregnancy?

• A) ​Because environmental teratogens are widely understood to be the most serious in their potential to damage unborn children.
• B) ​Because environmental teratogens are, in fact, unavoidable.
• C) ​Because people have given up trying to "live clean" and avoid exposure to environmental teratogens.
• D) ​Because people are so often unaware of environmental teratogens in their surroundings.

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Definitions:

Critical Value

A threshold value in hypothesis testing, beyond which the null hypothesis is rejected, determined by the chosen significance level.

Df

Df, or degrees of freedom, often used in statistical analysis, is the number of independent pieces of information available to estimate another piece of information.

Mean Square

A statistical measure used primarily in the context of ANOVA, representing the average of the squares of differences from the mean, indicative of variance.

Main Effect

The direct impact of an independent variable on a dependent variable in an experimental study, ignoring the effects of other independent variables.