« previous next »

Author Question: The iron content in oceanic rock allows geologists to determine its age. What term describes this ... (Read 56 times)

jace

  • Hero Member
  • *****
  • Posts: 541
on: Jul 13, 2018
The iron content in oceanic rock allows geologists to determine its age. What term describes this approach and other findings?
 
  A. sea floor spreading
  B. paleontology
  C. oxygen-isotope analysis
  D. paleomagnetism
  E. continental drift

Question 2

What is NOT an aspect of the theory of plate tectonics?
 
  A. Seafloor spreading results from rising magma.
  B. Midocean ridges have the newest-formed crust.
  C. Subduction zones are where crust is re-melted.
  D. Deep ocean trenches are tectonically inactive.
  E. Earthquakes match oceanic trenches and ridges.


jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers The Configuration, Normal Pressures, and Oxygen Content of the Heart Chambers
Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
Rock and Plastic Rock and Plastic
Limestone: A Marine Sedimentary Rock Limestone: A Marine Sedimentary Rock
How to use the discriminant to determine the number of roots for any quadratic equation How to use the discriminant to determine the number of roots for any quadratic equation
These findings are from Colby and Kohlberg's long-term longitudinal study These findings are from Colby and Kohlberg's long-term longitudinal study
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library