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

Author Question: The Appalachian Mountains were formed when ________ and ________ collided more than 250 million ... (Read 399 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
on: Jul 14, 2018
The Appalachian Mountains were formed when ________ and ________ collided more than 250 million years ago.
 
  A) North America; Africa
  B) Africa; Europe
  C) South America; Africa
  D) Australia; Asia

Question 2

A Richter magnitude 8 earthquake is ________ times greater than a Richter magnitude of 7.
 
  A) 100
  B) 50
  C) 10
  D) 5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


09madisonrousseau09

  • Member
  • Posts: 559
Reply 2 on: Jul 14, 2018
:D TYSM

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes
Formed Elements of Blood Formed Elements of Blood
Backlit view of Pluto's mountains, plains and foggy hazes Backlit view of Pluto's mountains, plains and foggy hazes
Close-up view of Pluto's mountains, frozen plains and hazes Close-up view of Pluto's mountains, frozen plains and hazes
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Select the changes in the embryo that indicate that a blastocyst has formed. 3 options: t Select the changes in the embryo that indicate that a blastocyst has formed. 3 options: t
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library