What is a carbon star? A) a red giant star whose atmosphere ...

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What is a carbon star?
 
  A) a red giant star whose atmosphere becomes carbon-rich through convection from the core
  B) a star that fuses carbon in its core
  C) another name for a white dwarf, a remnant of a star made mainly of carbon
  D) a star that produces carbon by fusion in its atmosphere
  E) a star that is made at least 50 percent of carbon

Question 2

According to our theory of solar system formation, where did the comets of the Oort cloud form?
 
  A) in the inner solar system
  B) far beyond the orbit of Pluto
  C) in the region of the jovian planets
  D) in the asteroid belt

[pami445]

Answer to Question 1

A

Answer to Question 2

C

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