Which term describes nutrients required in only minor or trace amounts?

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Study for the Grade 9 Environmental Chemistry Test. Use a blend of multiple-choice questions and detailed explanations. Master key concepts and prepare effectively!

Multiple Choice

Which term describes nutrients required in only minor or trace amounts?

Explanation:
Nutrients needed in only minor or trace amounts are called micronutrients. These are essential, but required in much smaller quantities than macronutrients. They include minerals and vitamins that powers enzymes and metabolic processes; without them, systems can misfunction even though only tiny amounts are needed. In contrast, macronutrients—like carbohydrates and lipids (and also main minerals such as potassium or calcium)—are required in larger amounts to provide energy and build tissues. So the best term for nutrients needed in small amounts is micronutrients.

Nutrients needed in only minor or trace amounts are called micronutrients. These are essential, but required in much smaller quantities than macronutrients. They include minerals and vitamins that powers enzymes and metabolic processes; without them, systems can misfunction even though only tiny amounts are needed. In contrast, macronutrients—like carbohydrates and lipids (and also main minerals such as potassium or calcium)—are required in larger amounts to provide energy and build tissues. So the best term for nutrients needed in small amounts is micronutrients.

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