By What Age Will Children Show a Preference for a Small

question 162

Multiple Choice

By what age will children show a preference for a small group of playmates?

• A) 6 months
• B) 1 year
• C) 18 months
• D) 2 years

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Definitions:

Mouth

The location where a stream, river, or canyon ends, such as where a river enters the sea.

Cross-sectional Area

The area of an object or space as seen from a cut through the object, typically perpendicular to its longest dimension.

Volume

Volume is a measure of the amount of space that an object or substance occupies, commonly expressed in cubic units.

Maximum Sediment Grain Size

The largest diameter of individual grains in a sedimentary deposit, indicating the energy of the transporting medium.