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

Author Question: The canals of Mars were eventually found to be crustal faults. Indicate whether the statement is ... (Read 38 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
on: Jul 27, 2018
The canals of Mars were eventually found to be crustal faults.
 
  Indicate whether the statement is true or false

Question 2

How do astronomers know that the nuclei of some galaxies are active?
 
  a. Their nuclei are much brighter than expected.
  b. The orbits of stars near the center of the galactic nuclei are faster than expected.
  c. The luminosity of the nuclei varies over time.
  d. The color of the nuclei is different than expected.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 27, 2018
Answer to Question 1

F

Answer to Question 2

C


D2AR0N

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 27, 2018
TY


cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

A very high-resolution texture of the planet Mars A very high-resolution texture of the planet Mars
FIRST PICTURE OF MARS FIRST PICTURE OF MARS
An Active Avalanche on Mars An Active Avalanche on Mars
The Three Semicircular Canals and Two Vestibular Sacs in the Inner Ear The Three Semicircular Canals and Two Vestibular Sacs in the Inner Ear
Amino sugars are found in many polysaccharides Amino sugars are found in many polysaccharides
Two Hemispheres of Mars "نصفين من المريخ" Two Hemispheres of Mars "نصفين من المريخ"
Video: Genetic distance between human groups

For a complete list of videos, visit our video library