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

Author Question: Which process is responsible for Earth's magnetic field? In which layer does this process occur? ... (Read 38 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
on: Jul 16, 2018
Which process is responsible for Earth's magnetic field? In which layer does this process occur?
 
  A) Radiation; upper mantle
  B) Subduction; lower mantle
  C) Convection; outer core
  D) Crystallization; inner core

Question 2

Since humans cannot access the core, what objects do scientists use as a proxy to determine the composition of the inner and outer core?
 
  A) Volcanic rocks
  B) Meteorites
  C) Comets
  D) Glaciers


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

heyhey123

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


ap345

  • Member
  • Posts: 537
Reply 2 on: Jul 16, 2018
Gracias!

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Hare running in open field Hare running in open field
Nursing diagnostic process Nursing diagnostic process
Recovery process of ancient DNA. Recovery process of ancient DNA.
Effects of Earth’s Changing Orientation: Solar Angle Effects of Earth’s Changing Orientation: Solar Angle
Early Earth Early Earth
Video: Phlebotomy

For a complete list of videos, visit our video library