The two main theories of 20th century physics are A) ...

[jc611]

The two main theories of 20th century physics are
 
  A) relativity and quantum theory.
  B) relativity and Newtonian mechanics.
  C) quantum theory and electromagnetism.
  D) relativity and electromagnetism.
  E) electromagnetism and thermodynamics.

Question 2

As evidence for the cosmic inflation hypothesis, this hypothesis explains
 
  A) the observed flatness of the overall three-dimensional universe.
  B) the origin of the clumping of matter and energy that we see today in such aggregations as stars and galaxies.
  C) Both of the above.
  D) the force of gravity.
  E) All of the above.

[SAUXC]

Answer to Question 1

A

Answer to Question 2

C

[jc611]

Wow, this really help

[bimper21]

Thanks for the timely response, appreciate it