The base SI unit of length is A) millimeter. B) ...

[lbcchick]

The base SI unit of length is
 
  A)
 
  millimeter.
 
  B)
 
  centimeter.
 
  C)
 
  meter.
 
  D)
 
  kilometer.
 
  E)
 
  megameter.

Question 2

In alpha decay, the Q-value and the kinetic energy of the alpha particle
 
  A)
 
  have no trend in the relative size.
  B)
 
  are different with the Q-value larger.
  C)
 
  are different with the kinetic energy larger.
  D)
 
  are the same.
  E)
 
  cannot be determined.

[Kingjoffery]

Answer to Question 1

C

Answer to Question 2

B