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An electromagnetic wave is propagating towards the west in free space.At a certain moment the direction of the magnetic field vector associated with this wave points vertically upward.What is the direction of the electric field vector?
Parathyroid Hormone
A hormone secreted by the parathyroid glands that regulates the metabolism of calcium and phosphorus in the body.
Vitamin D
A fat-soluble vitamin essential for the regulation of calcium and phosphate in the body, important for healthy bones, teeth, and muscles.
Sex Hormones
Biochemical substances produced by the endocrine system that regulate the development and function of reproductive organs and influence secondary sexual characteristics.
Epiphyseal Plate
A growth plate located at the ends of long bones, where new bone tissue is produced during childhood and adolescence.
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