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 49 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?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library