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 36 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?

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?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library