A photovoltaic cell receives energy input primarily by A) ...

[cherise1989]

A photovoltaic cell receives energy input primarily by
 
  A) conduction.
  B) convection.
  C) radiation.
  D) all of the above

Question 2

A piece of pizza is normally a net radiator of energy when its temperature is
 
  A) higher than its surroundings.
  B) lower than its surroundings.
  C) neither of these

[meganlapinski]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: A

[cherise1989]

Thanks for the timely response, appreciate it

[nanny]

Gracias!