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Correct answer: Rotating cloud
Why? The nebular hypothesis suggests that the bodies of our solar system evolved from an enormous rotating cloud called the solar nebula.
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Answer:
Many new dinosaurs emerged—in great numbers. Among them were stegosaurs, brachiosaurs, allosaurs, and many others.
Explanation:
A. Pressure?
b. Earthquakes occur where two tectonic plates meet and are pushed together.