Multiple Choice
In the context of nutrition and mineral classification, can a mineral be a liquid at room temperature?
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8. Water and Minerals
Introduction to Minerals
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Which of the following is a trace mineral?
A
Potassium
B
Calcium
C
Sodium
D
Iron
Verified step by step guidance1
Understand the classification of minerals based on the amount required by the body: macrominerals are needed in larger amounts, while trace minerals are required in very small amounts.
Identify the minerals listed in the problem: Potassium, Calcium, Sodium, and Iron.
Recall that Potassium, Calcium, and Sodium are macrominerals because the body needs them in relatively large quantities.
Recognize that Iron is a trace mineral, meaning it is essential but required in much smaller amounts compared to macrominerals.
Conclude that among the options given, Iron is the trace mineral.
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