Jeff Is 13 Years Old and He Has Recently Noticed

question 87

Multiple Choice

Jeff is 13 years old and he has recently noticed some remarkable changes in himself.Over the past few months his voice has started to change,growing deeper.He has begun to grow pubic hair,as well as the beginnings of a facial beard.He is also filling out,with his muscles developing rapidly.These changes in Jeff are probably due to the action of _____________.

• A)gonads
• B)thyroid gland
• C)pineal gland
• D)adrenal gland

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Definitions:

EPA

The Environmental Protection Agency, which focuses on the conservation of the environment and protecting human health through the enforcement of regulations.

Superfund

A federal program established to fund the cleanup of sites contaminated with hazardous substances and pollutants.

Hazardous Waste

Refers to waste materials that are dangerous or potentially harmful to human health or the environment.

Comprehensive Environmental Response, Compensation and Liability Act

A U.S. federal law, enacted in 1980, intended to clean up sites contaminated with hazardous substances and pollutants.