Answer:
well theory is ranked second highest in certainty in scientific nomenclature. theory dictates it is more certain of a principle than a hypothesis yet not concrete enough to be a law. examples are the theory of evolution versus the law of gravity
Foods that contain substantial amounts of vitamin A include beef liver, spinach, broccoli and liver oil.
<h3>What is vitamin A?</h3>
Vitamin A is a fundamental micronutrient that must be ingested in the diet in suitable amounts.
Leafy green vegetables (such as spinach) or orange vegetables (such as carrots) contain many vitamin A.
Vitamin A benefits include:
- supports the immunity
- reduces ac_ne
- supports bones
Learn more about vitamin A here:
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