Author Question: ________ are responsible for the heat generated in the interior today. A) Meteorite impacts B) ... (Read 133 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
________ are responsible for the heat generated in the interior today.
 
  A) Meteorite impacts
  B) Magma plutons
  C) Short-lived radioactive isotopes
  D) Nuclear reactions

Question 2

What is the dominant mineral in the lower mantle?
 
  A) Perovskite
  B) Olivine
  C) Quartz
  D) Pyroxene



Expo

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library