Final answer:
This answer provides definitions of the given vocabulary words related to Geography.
Step-by-step explanation:
Cluster: A grouping together of things that are alike.
Estimate: Make judgments or opinions; make a good general answer by using data.
Identify: To name something; decide what something is by comparing.
Mastodon: Large animals that are extinct; looked like elephants.
Site: Places where something is located.
Unearth: To discover or dig up.
Shale: A type of rock made from dry clay or mud; very fine grained. It breaks easier than some rocks.
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