What Do the Following Sentences Refer to

question 1

Short Answer

What do the following sentences refer to :
-On average, peak running speed occurs in girls at about this age (years).

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Definitions:

Second Language Learning

The process through which a person learns a language other than their native language, often through formal education or immersion.

Additive Strategy

A problem-solving approach that involves combining different strategies or elements in order to achieve a solution.

Elimination Strategy

A problem-solving approach that systematically removes options to find the best solution.

Functional Fixedness

A cognitive bias that limits a person's ability to use an object only in the way it is traditionally used, hindering problem-solving and creativity.