_____ is the energy believed to fill empty spaces and drive the ...

[Deast7027]

_____ is the energy believed to fill empty spaces and drive the acceleration of the expanding Universe.
 
  A) Kinetic energy
  B) Hot energy
  C) Dark energy
  D) Light energy

Question 2

If photons have enough energy, two photons can combine and convert their energy into a pair of particles-_____.
 
  A) a particle of normal matter and a particle of antimatter
  B) a particle of high-density matter and a particle of low-density matter
  C) a particle of high mass and a particle of low mass
  D) a particle of proton and a particle of neutron

[chjcharjto14]

Answer to Question 1

C

Answer to Question 2

A

[Deast7027]

Thanks for the timely response, appreciate it

[cici]

Gracias!