Which statement about the stages of starbirth is FALSE? A) At ...

[V@ndy87]

Which statement about the stages of starbirth is FALSE?
 
  A) At stage 1, only the cloud exists.
  B) By stage 3, the star has formed a photosphere.
  C) Nuclear reactions begin in the core by stage 4.
  D) The T-Tauri wind is prevalent in stage 5.
  E) By stage 7, the star has reached the main sequence.

Question 2

About what percent of all asteroids are C-type asteroids?
 
  A) 5
  B) 10
  C) 15
  D) 50
  E) 75

[phuda]

Answer to Question 1

C

Answer to Question 2

B

[V@ndy87]

Thanks for the timely response, appreciate it

[Joy Chen]

Gracias!