What Is the Upper Intake Level of Iron Established for the United

question 24

Multiple Choice

What is the upper intake level of iron established for the United States?

• A) 15 mg/day
• B) 25 mg/day
• C) 35 mg/day
• D) 45 mg/day
• E) 55 mg/day

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Definitions:

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Carbon Dioxide

A transparent gas with no odor, resulting from the burning of carbon-containing substances and the respiration process. It naturally occurs in the environment and is crucial for plant photosynthesis.

Methane

A colorless, odorless flammable gas that is the simplest alkane, used as a fuel and in chemical synthesis.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.