________ is a basic method to take advantage of sunshine in the ...

[jon_i]

________ is a basic method to take advantage of sunshine in the winter.
 
  A) Day-lighting B) Solar Orientation C) Passive solar D) True north

Question 2

I-joist floors systems are considered green and were introduced to residential construction in the ________.
 
  A) 1980s B) 1970s C) 1950s D) 1960s

[fauacakatahaias]

Answer to Question 1

C

Answer to Question 2

B

[jon_i]

Thanks for the timely response, appreciate it

[dawsa925]

Gracias!