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Author Question: Describe how a boiling liquid can be used to cool something (i.e., a refrigerator). A) A low ... (Read 58 times)

RYAN BANYAN

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on: Aug 27, 2018
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


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atrochim

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A


RYAN BANYAN

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

juliaf

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Reply 3 on: Yesterday
Wow, this really help

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