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Necessities tend to have inelastic demands, whereas luxuries tend to have elastic demands.
Macronutrient
Macronutrients are essential nutrients that organisms need in relatively large amounts to maintain growth, metabolism, and normal functioning, and include proteins, fats, and carbohydrates.
Stomata
Small openings or pores, typically found on the underside of leaves, allowing for gas exchange between the plant and its external environment.
Macronutrient
Essential nutrients required in large amounts by living organisms, including carbohydrates, proteins, and fats, which provide energy and structural materials.
Nucleic Acids
Large biomolecules essential for all known forms of life, including DNA and RNA, which carry genetic information.
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