Which evolving building practice in cold climates reduces the ...

[londonang]

Which evolving building practice in cold climates reduces the chance of inside moisture condensing inside the wall cavity causing mold?
 
  A) Using mechanical ventilation through a heat recovery ventilation system.
  B) Increasing the snow load to 50 psf and the wind load to 100 mph.
  C) Placing rigid insulation on the outside of the building.
  D) Creating a rain screen behind the exterior cladding.

Question 2

Approximately what percentage of all construction is gypsum board (drywall)
  and lumber?
 
  A) 65 B) 55 C) 75 D) 80

[ecabral0]

Answer to Question 1

C

Answer to Question 2

C

[londonang]

Great answer, keep it coming

[kjohnson]

Thanks for the timely response, appreciate it