Steel is used for reinforcement because it ___ a. will not ...

[Themember4]

Steel is used for reinforcement because it ___
 
  a. will not corrode
  b. has nearly the same temperature expansion and contraction rate as concrete
  c. has a lower temperature expansion and contraction rate than concrete
  d. is inexpensive

Question 2

For a long-run gable roof, it is recommended that you start in the center rather than at one end or the other
  because _____.
 
  a. this provides a slight slope from the center to help drain excess water from the roof
  b. there is less chance of misalignment in both directions
  c. composition shingles must be overlapped from side to side, starting from a center shingle
  d. you cannot accurately measure the space between courses on the ends of the roof

[Ddddd]

Answer to Question 1

b

Answer to Question 2

b

[Themember4]

Gracias!

[olderstudent]

Excellent