Describe how a boiling liquid can be used to cool something ...

[RYAN BANYAN]

Describe how a boiling liquid can be used to cool something (i.e., a refrigerator).
 
  A) A low boiling liquid absorbs heat energy, dropping the temperature.
  B) As a liquid condenses, heat energy is required and the temperature drops.
  C) Heat energy is only used with solids like ice.
  D) Heat is used to convert vapor into a liquid, which is cooler than a gas.
  E) none of the above

Question 2

How does chemotherapy work to fight a disease or infection?
 
  A) It exploits subtle differences between the host organism and the disease organism.
  B) It binds to receptor sites and boosts the immune system of the host organism.
  C) It binds to the DNA of the host organism preventing the disease from spreading.
  D) all of the above
  E) none of the above

[atrochim]

Answer to Question 1

A

Answer to Question 2

A

[RYAN BANYAN]

Thanks for the timely response, appreciate it

[strudel15]

Wow, this really help