This topic contains a solution. Click here to go to the answer

Author Question: The Appalachian Mountains were formed when ________ and ________ collided more than 250 million ... (Read 117 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
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
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C




09madisonrousseau09

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


lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library