Which of the following best explains why sweating is important to ...

[Tirant22]

Which of the following best explains why sweating is important to humans in maintaining suitable body temperature?
 
  A) Functioning of the sweat gland absorbs energy that otherwise would go into heating the body.
  B) The high specific heat of water on the skin absorbs heat from the body.
  C) Evaporation of moisture from the skin extracts heat from the body.
  D) Moisture on the skin increases thermal conductivity, thereby allowing heat to flow out of the body more effectively.

Question 2

The coefficients of friction for plastic on wood are s = 0.50 and k = 0.40. How much horizontal force would you need to apply to a 3.0-lb plastic calculator to start it moving from rest?
 
  A) 1.2 N
  B) 2.7 N
  C) 6.7 N
  D) 0.15 N
  E) 0.50 N

[wshriver]

Answer to Question 1

C

Answer to Question 2

C

[Tirant22]

TY

[wshriver]

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