A mineral is a solid formation that occurs naturally in the earth while a rock is a solid combination of more than one mineral formations which is also occurring naturally. A rock can also contain organic remains and mineraloids apart from regular mineral formations.
The answer is: [B]: Introduction .
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Answer:
primary source because it was created by someone who was directly involved in the events
Explanation
Primary.S advantage- you would be able to know that you are getting the original information . disadvantage- very time consuming
Secondary.S advantage- provides many experts insights on the whatever you are researching about. disadvantage- may take longer to find specific information
She or he must possess developmental editing skills. Must be creative, imaginative.
