What is the size of the largest asteroid?

What is the size of the largest asteroid?
 
  A) 1 km
  B) 10 km
  C) 100 km
  D) 1,000 km
  E) 10,000 km

Question 2

Carbonaceous meteorites contain organic molecules, even amino acids.
 
  Indicate whether the statement is true or false

Question 3

The critical temperature for nucleosynthesis to begin was the:
 
  A) triple alpha reaction at 100 million K.
  B) deuterium bottleneck at about 900 million K.
  C) proton-proton cycle at 10 million K.
  D) iron production at 10 billion K.
  E) formation of lithium at 50 million K.

Question 4

An incandescent light (glowing tungsten filament) produces:
 
  A) a continuous spectrum, with the peak giving the temperature of the filament.
  B) an emission spectrum, with bright lines due to ionized tungsten.
  C) an absorption spectrum, with dark lines due to the solid filament.
  D) a continuum, with bright tungsten lines added.
  E) a continuum, with dark lines of tungsten and argon as well.