A Light-Year (Ly)is the Distance That Light Travels in One

question 91

Multiple Choice

A light-year (ly) is the distance that light travels in one year.The speed of light is 3.00 × 10⁸ m/s.How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days. )

• A)2.87 × 10¹³ mi
• B)9.46 × 10¹⁵ mi
• C)5.88 × 10¹⁵ mi
• D)9.46 × 10¹² mi
• E)5.88 × 10¹² mi

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Definitions:

Prelinguistic

Referring to vocalizations made by the infant before the development of language. (In language, words symbolize objects and events.)

Paralinguistic

Refers to the non-verbal elements in speech communication, such as tone of voice, loudness, tempo, and pitch, which can modify meaning and convey emotion.

Language Development

The manner in which young children develop the capacity to grasp and convey language during early childhood.

Environmental Stimulation

External factors or conditions which elicit responses or encourage developmental processes in an individual.