Ligament is a fibrous connective tissue which joins the bone to bone. It helps to keep the skeletal system in structure and provide stability to the skeletal system.
A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
Answer:
The use of rocks and minerals includes building material, cosmetics, cars, roads, and appliances.
Explanation:
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The answer is serotonin.
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