Ice is slippery because ________. A) air molecules have been ...

[michelleunicorn]

Ice is slippery because ________.
 
  A) air molecules have been excluded
  B) of greater kinetic energy at the surface
  C) of its relatively high purity
  D) surface crystals fall apart
  E) of its tight internal and external structuring

Question 2

As a scientist, what are the most realistic dangers of trying to prove a theory a right?
 
  A) You are no longer open to other possibilities.
  B) You might convince others to see things only your way.
  C) You might subconsciously use only the data that fits your model.
  D) There is no danger, you are right when you are right.

[kthug]

Answer to Question 1

D

Answer to Question 2

C

[michelleunicorn]

Gracias!

[peter]

Thanks for the timely response, appreciate it