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When the equation below is balanced,the coefficient of oxygen is:
Fe + O₂ → Fe₂O₃
Father's Voice
The specific auditory pattern recognized by children as belonging to their father, often associated with emotional bonding and security.
Embryonic Development
The process through which an embryo forms and develops, from fertilization to birth in animals, or to the seedling stage in plants.
Wide Smile
An expression involving a broad extension of the mouth, often showing teeth, indicative of happiness or friendliness.
Enduring Marriage
A long-lasting marital relationship characterized by mutual support, communication, and commitment.
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