By 4 Years of Age,it Is Estimated That Children Use

question 16

Multiple Choice

By 4 years of age,it is estimated that children use correct grammar in what percentage of their statements?

• A) 30%
• B) 50%
• C) 70%
• D) 90%

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Definitions:

Invention

The creation of a new product, process, or idea that did not exist previously.

Development

A process of improvement in the material conditions of people through diffusion of knowledge and technology.

Technological Advance

The process of improving or developing new methods, tools, or products to increase efficiency, productivity, or quality in various fields, especially economics and industry.

Government R&D

Research and development activities funded or conducted by the government to advance knowledge, innovation, and technology for public benefit.