Answer: A. The wave carries molecules of air away from the source of the sound .
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Answer:
Explanation:
Scientific theory: a well established, highly reliable explanation
Scientific hypothesis: makes predictions of future events/
Both: based on observations of natural phenomenons/ can be tested by many researchers
Answer:
These fossils looks as if they belong to a whale or a tiger you can tell by the skull structure. but alas look at a hippopotamus skull. they look dangerous.
Explanation: