The answer is
d. kidney stones
Answer:
<h2>Exchange</h2>
Explanation:
A transaction in which two or more organizations or people give and receive something of value is called Exchange
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The kind of literature which is currently perhaps the most powerful genre in Pakistan and Bangladesh is postcolonial literature
4.6 billion years ago the earth formed
This means that a single carbon atom can form up to tetravalent bonds with other atoms