Between Birth and Adulthood,the Size of the Human Brain

question 4

Multiple Choice

Between birth and adulthood,the size of the human brain

• A) doubles.
• B) quadruples.
• C) actually declines.
• D) stays about the same although the skull grows.
• E) increases 10 fold.

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Definitions:

Acetylene

A colorless, flammable gas used as a fuel and a building block for chemical synthesis.

Molecular Shape

The three-dimensional arrangement of atoms within a molecule, determining its reactivity, polarity, and physical properties.

Linear

Describes a structure, process, or mathematical function that proceeds or is arranged in a straight line or sequence.

Phosphine

A toxic, colorless, flammable gas with the chemical formula PH3, used in the semiconductor industry and as a pesticide.