What is the ultimate fate of an isolated white dwarf? A) It ...

[audie]

What is the ultimate fate of an isolated white dwarf?
 
  A) It will cool down and become a cold black dwarf.
  B) As gravity overwhelms the electron degeneracy pressure, it will explode as a nova.
  C) As gravity overwhelms the electron degeneracy pressure, it will explode as a supernova.
  D) As gravity overwhelms the electron degeneracy pressure, it will become a neutron star.
  E) The electron degeneracy pressure will eventually overwhelm gravity and the white dwarf will slowly evaporate.

Question 2

What drives the motion of the tectonic plates on Earth?
 
  A) convection cells in the mantle
  B) lava flows in trenches along the sea floor
  C) the Coriolis force
  D) Earth's magnetic field
  E) tidal forces

[sierramartinez]

Answer to Question 1

A

Answer to Question 2

A

[audie]

Thank you!

[sierramartinez]

Always glad to help...