Answer:
Typically, a leaf consists of a broad expanded blade (the lamina), attached to the plant stem by a stalklike petiole. In angiosperms leaves commonly have a pair of structures known as stipules, which are located on each side of the leaf base and may resemble scales, spines, glands, or leaflike structures.
Explanation:
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B) Genus
The order from the broadest to most specific is
- Domain
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
When you combined hydrogen and oxygen they produce water rather than hydrogen peroxide. When molecular hydrogen and oxygen are combined and allowed to react together, energy is released and the molecules of hydrogen and oxygen can combine to form either water or hydrogen peroxide.
They're mineral ions.
Examples are calcium and iron
They can prevent diseases such as ricket (soft bones) and anaemia (not enough blood)