If Children Are to Learn to Differentiate Particular Sounds Used

question 77

Multiple Choice

If children are to learn to differentiate particular sounds used in their language, they must be exposed to these sounds before they are:

• A) 6 to 8 months old.
• B) 2 years old.
• C) 4 years old.
• D) 10 years old.

---

Definitions:

Externality

A consequence of an economic activity experienced by unrelated third parties; it can be either positive (beneficial) or negative (harmful).

Education's Benefit

Refers to the positive impacts of education on an individual's abilities, earning potential, and societal contributions.

Externality

A cost or benefit arising from an economic activity that affects third parties who did not choose to incur that cost or benefit.

National Defense

The government activities, plans, and policies aimed at protecting a country's territory and citizens from external threats and maintaining overall security.