This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What generates the heat necessary for convection in the Earth? A) Volcanic eruptions B) Friction ... (Read 19 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 16, 2018
What generates the heat necessary for convection in the Earth?
 
  A) Volcanic eruptions
  B) Friction between moving slabs
  C) Chemical reactions between geologic materials and hydrothermal fluids
  D) Decay of radioactive materials

Question 2

Which is denser: a 100-million-year-old oceanic lithosphere near a convergent boundary, a 15-million-year-old oceanic lithosphere near a rift, or the upper part of the asthenosphere?
 
  A) A 15-million-year-old oceanic lithosphere
  B) 100-million-year-old oceanic lithosphere
  C) Upper asthenosphere
  D) They all have the same density.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

owenfalvey

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 16, 2018
TY


owenfalvey

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 16, 2018
Happy to Help


« previous next »
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

The Sun as it appears from the surface of Earth before sunset. The Sun as it appears from the surface of Earth before sunset.
Moon and Earth Moon and Earth
Earth-Sun Relationships Earth-Sun Relationships
Warming friction created with a sawing motion (i.e., ulnar friction). The ulnar sides of the hands ... Warming friction created with a sawing motion (i.e., ulnar friction). The ulnar sides of the hands ...
Using the same hand position as in Step 3, apply circular friction along paraspinal muscles of the ... Using the same hand position as in Step 3, apply circular friction along paraspinal muscles of the ...
Earth Present Earth Present
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library