Skin Cells Play an Important Role in Producing

question 20

Multiple Choice

Skin cells play an important role in producing

• A)vitamin A.
• B)vitamin B.
• C)vitamin C.
• D)vitamin D.

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Definitions:

Private Speech

Involves talking aloud to oneself as a way for children to guide their actions and thought processes, particularly in problem-solving.

Puzzle

A problem or enigma that challenges ingenuity for its solution.

Vygotsky

A Russian psychologist known for his work on cognitive development, emphasizing the social context of learning and the concept of the zone of proximal development.

Prepositions

Words used to express relationships between other words, typically indicating place, time, or direction.