Which of the following is a characteristic of active galaxies? A. They generally exhibit no signs of explosive activity. B. Their energy emission cannot be explained as the accumulated emission of their stars. C. They are generally less luminous than normal galaxies. D. Their energy output is steady in time.
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Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.
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Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.
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The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.
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Which composition of water moves to begin a deepwater current?
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Which of the following is a characteristic of active galaxies? A. They generally exhibit no signs of...
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