Drafting Leads Are Typically Made of Graphite

question 24

True/False

Drafting leads are typically made of graphite.

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Definitions:

Teratogen

Any factor that can cause a birth defect.

Birth Defect

A physical or biochemical abnormality that is present at birth and that may cause physical or mental disability.

Embryonic Period

A critical phase in development that spans from conception to the eighth week, where major organs and structures begin to form in an embryo.

Prenatal Development

The process of growth and development within the womb from conception to birth.