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

Author Question: The separation between Africa and Arabia is a(n) ____________________ valley. Fill in the ... (Read 37 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
The separation between Africa and Arabia is a(n) ___________________ _ valley.
 
  Fill in the blank(s) with correct word

Question 2

What distance methods is used to calibrate the Hubble constant?
 
  a. Parallax
  b. Supernova observations
  c. variable stars
  d. both a and b
  e. both b and c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Joy Chen

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

rift

Answer to Question 2

E




daltonest1984

  • Member
  • Posts: 536
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library