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

Author Question: Mercury's smooth plains are probably the oldest parts of the crust. Indicate whether the ... (Read 69 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
Mercury's smooth plains are probably the oldest parts of the crust.
 
  Indicate whether the statement is true or false

Question 2

The unified model describes active galactic nuclei using
 
  a. a super massive black hole at the center of a normal spiral galaxy.
  b. a super massive black hole surrounded by an accretion disk and dense disk of gas.
  c. an accretion disk around a neutron star.
  d. gravitational lenses to intensify the radiation coming from them.
  e. different lines of sight toward and dwarf irregular galaxy.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

F

Answer to Question 2

B




asd123

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
:D TYSM


jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library