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

Author Question: A(n) ________ is a period when a supercontinent rifts into fragments, spreads apart, and the ... (Read 100 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
A(n) ________ is a period when a supercontinent rifts into fragments, spreads apart, and the fragments reassemble into a new supercontinent.
 
  A) convection cycle
  B) supercontinent cycle
  C) suturing cycle
  D) orogenic cycle

Question 2

Because of the original molten state of Earth, it is likely that the first crust was ________ in composition.
 
  A) ultramafic
  B) mafic
  C) intermediate
  D) felsic



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A




lindiwe

  • Member
  • Posts: 577
Reply 2 on: Jul 15, 2018
Wow, this really help


jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

For a complete list of videos, visit our video library