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

Author Question: What observation supports the hypothesis that the slab-pull force is the primary cause of plate ... (Read 187 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Jul 16, 2018
What observation supports the hypothesis that the slab-pull force is the primary cause of plate motion?
 
  A) Divergent plate boundaries represent all of the upwelling expected by mantle convection.
  B) Plumes are the deep upwelling component of convection with seismically slow velocities.
  C) Earthquakes and volcanoes are concentrated at plate boundaries.
  D) Plates with long subduction zones move faster than plates with short subduction-zones.

Question 2

Which of the following is oldest?
 
  A) Hawaiian Islands
  B) Hawaiian Seamounts
  C) Emperor Seamounts
  D) East Pacific Rise


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


faduma

  • Member
  • Posts: 528
Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Herbivore biomass is positively correlated with net aboveground primary production. Herbivore biomass is positively correlated with net aboveground primary production.
Consuming Lithosphere at Convergent Plate Boundaries Consuming Lithosphere at Convergent Plate Boundaries
A typical TP sensor mounted on the throttle plate of this port-injected engine. A typical TP sensor mounted on the throttle plate of this port-injected engine.
Ekman’s six primary facial expressions of emotion and one combination facial expression. ... Ekman’s six primary facial expressions of emotion and one combination facial expression. ...
Primary Actions of Hormones Primary Actions of Hormones
Klur & Diana Miro - Pull Me Through [Official Lyric Video] Klur & Diana Miro - Pull Me Through [Official Lyric Video]
Video: Random alignment at Metaphase I Animation

For a complete list of videos, visit our video library