1. If excess moisture is trapped inside walls, what will begin to grow and likely cause extensive damage,

A. Mold

B. Lead

C. Asbestos

d. Radon

2. The acronym GFCI stands for

A. all of these

B. ground-fault circuit interrupter

C. grounded for consumer safety

D. good for circuit installation

3. A t-mass foundation

A. can be premanufactured off site

B. can be poured or placed on site

C. consists of inner and outer walls made of concrete with one piece of foam in the middle

D. is all of these

4. Squeaking floors are most commonly caused by

A. changing humidity

B. none of these

C. a setting foundation

D. movement between the joist and subfloor