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 392 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
YES! Correct, THANKS for helping me on my review

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Rocky Mountains of British Columbia Rocky Mountains of British Columbia
Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ... Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ...
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Earth 430 Million Years Ago Earth 430 Million Years Ago
Earth 200 Million Years Ago Earth 200 Million Years Ago
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library