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

Author Question: The average length of a period during which a given magnetic field polarity exists is about A) ... (Read 108 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 14, 2018
The average length of a period during which a given magnetic field polarity exists is about
 
  A) 10,000 years.
  B) 100,000 years.
  C) 500,000 years.
  D) 1,000,000 years.

Question 2

Which of the following soil horizon designations is i the correct sequence from the surface to the bedrock?
 
  A) O, E, C, B, A
  B) A, B, C, O, R
  C) S, O, I, L
  D) O, A, E, B, C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Meganchabluk

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 14, 2018
Answer to Question 1

C

Answer to Question 2

D


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 14, 2018
Excellent

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Relationship between fruit radius and beak length in populations of native and introduced species of Relationship between fruit radius and beak length in populations of native and introduced species of
The first step in field recovery involves surveying the site, sometimes with special equipment. The first step in field recovery involves surveying the site, sometimes with special equipment.
Transcranial Magnetic Stimulation and PTSD Transcranial Magnetic Stimulation and PTSD
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
How to find the average value of a function (Part 2) How to find the average value of a function (Part 2)
Field Triage Decision Scheme Field Triage Decision Scheme
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library