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

Author Question: How does the ocean floor preserve evidence of past magnetic reversals. A) Isotopic analysis of ... (Read 61 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 14, 2018
How does the ocean floor preserve evidence of past magnetic reversals.
 
  A) Isotopic analysis of ocean core sediments help determine sea floor age and this can be used to infer past magnetism.
  B) The ocean floor is uniformly old, preserving Earth's 4.6 billion history.
  C) Mantle hot spots are always oriented to the magnetic field.
  D) Magnetic particles in basalt orient with the magnetic field in force at the time the oceanic lava cooled and hardened.

Question 2

The water-balance methodology is, in essence, an accounting or bookkeeping system for water resource analysis.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 14, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


oliviahorn72

  • Member
  • Posts: 579
Reply 2 on: Jul 14, 2018
Excellent

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and
Focusing Jets by Magnetic Fields Focusing Jets by Magnetic Fields
Past and Future Use of Aggregate Past and Future Use of Aggregate
Evidence of Retrieval of Visual Memories of Movement Evidence of Retrieval of Visual Memories of Movement
Genetic complementation analysis Genetic complementation analysis
Yanofsky’s cotransduction frequency analysis Yanofsky’s cotransduction frequency analysis
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library