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Author Question: Many ore deposits result from contact metamorphism during which hot, ion-rich fluids ____. A)migrate ... (Read 76 times)

danielfitts88

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on: Jul 13, 2018
Many ore deposits result from contact metamorphism during which hot, ion-rich fluids ____.
 A)migrate from surrounding rock into igneous intrusions
 B)migrate from igneous intrusions into the surrounding rock
 C)melt the surrounding rock which precipitates the ore
 D)reach Earth's surface forming ore deposits as they move
 E)become electrically neutral and react chemically with the surrounding rock

Question 2

How distinct were Mesozoic mammals from their reptile neighbors?


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dudman123

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Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

Most Mesozoic mammals had both mammalian and reptilian features because some characteristics evolved more slowly than others.


danielfitts88

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Reply #2 on: Jul 13, 2018
Thank you :)


dudman123

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Reply #3 on: Jul 13, 2018
Happy to help you


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