This topic contains a solution. Click here to go to the answer

Author Question: Many ore deposits result from contact metamorphism during which hot, ion-rich fluids ____. A)migrate ... (Read 40 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
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?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dudman123

  • Sr. Member
  • ****
  • Posts: 304
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.





 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

For a complete list of videos, visit our video library