Author Question: In what kind of plate boundary is material from the crust very slowly forced downward, back into the ... (Read 39 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
In what kind of plate boundary is material from the crust very slowly forced downward, back into the mantle?
 
  A) divergent
  B) convergent
  C) transform
  D) vertical

Question 2

The greater thickness of what kind of rocks causes the continents to have higher surface elevations than the oceanic crust?
 
  A) sial
  B) metamorphic
  C) igneous
  D) sima



shewald78

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library