Avitamin is a a) protein that acts as a catalyst for cell functions b) substance that is soluble in water and is stored in the body c) compound that organisms need in small amounts but cannot produce

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A vitamin is a compound that organisms need in small amounts but cannot produce

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

if you know your abc's you should be able to get your answer or just use google