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 47 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
Gracias!


miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library