Accretion is a. the adding of material to an object an atom or ...

[Bob-Dole]

Accretion is
 
  a. the adding of material to an object an atom or molecule at a time.
  b. the adding of material to an object by collection of solid particles.
  c. the release of gas from rocks as they are heated.
  d. the largest of the Galilean satellites.
  e. caused by the bombardment of the solar wind.

Question 2

____________ pushed gas and dust particles out of the solar nebula by the light from the Sun.
 
  a. Radiation pressure
  b. Outgassing
  c. Condensation
  d. Accretion
  e. Differentiation

[aidanmbrowne]

Answer to Question 1

b

Answer to Question 2

a

[Bob-Dole]

Thank you!

[aidanmbrowne]

Always glad to help...