In order for a substance to be classed as a mineral it must be naturally occurring, solid and inorganic. Additionally, it must have a clearly defined structure and chemical composition.
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The answer is spin.
Each quantum number that describes the two electrons in a helium atom is identical, except for the one that indicates their spin.
Prolactin is the hormone that stimulates milk production
B. False
Protoplasm- includes the nucleus
Cytoplasm- excludes the nucleus
Answer:
an opening into a vessel or cavity of the body.
