Answer:
B.
Explanation:
most valleys are weathered by running water. Glacier can also weather these. Because of running water it will carry the weathered pieces away.
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Answer: Interventional Study
Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study
C.) Rocks in the Geosphere
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Answer:
Chimpanzees.
Explanation:
DNA sequence similarity is helpful to determine the evolutionary relationship between the organisms. The evolutionary tree can easily be constructed if the percentage of the DNA sequence similarity is known.
The human shows 98.8% sequence similarity with chimpanzee. The sequence similarity between human and gorilla DNA is 98.4%. This means Chimpanzee are more closely related to humans than gorillas.
Thus, the answer is chimpanzee.