What is the correct ordering of galactic components using the new ...

[jessicacav]

What is the correct ordering of galactic components using the new bottom-up hypothesis starting from oldest to youngest?
 
  a. galactic halo, average globular clusters, galactic disk
  b. galactic halo, galactic disk, average globular clusters
  c. average globular clusters, galactic halo, galactic disk
  d. average globular clusters, galactic disk, galactic halo
  e. galactic disk, average globular clusters, galactic halo.

Question 2

As described by Kepler's second law, an object in an elliptical orbit reaches its highest velocity when it is as at ____.
 
  a. lowest; perigree
 b. highest; apogee
 c. highest; perigree
 d. lowest; apogee
 e. escape velocity; perigree

[alvinum]

Answer to Question 1

a

Answer to Question 2

c

[jessicacav]

YES! Correct, THANKS for helping me on my review

[ecabral0]

Thanks for the timely response, appreciate it