According to the second law of thermodynamics, the amount of usable energy available to do work in ...

According to the second law of thermodynamics, the amount of usable energy available
  to do work in the universe ____ over time.
  a. crashes
  b. decreases
  c. increases
  d. stays constant
  e. exponentially increases

Question 2

Which of the following statements is contrary to the first law of thermodynamics?
  a. When energy is used, it is irreplaceable.
  b. Matter can be converted into energy.
  c. The amount of energy in the universe is constant.
  d. Energy can be converted from one form to another.
  e. Energy can be transferred from one form to another.