Which of the following is not an advantage of wood as a building material?
a. It is relatively light in weight, but durable.
b. It is easily worked.
c. It is immune to damage from insects and weather.
d. It is immune to corrosion.
Question 2
Wood fibers are bound together by a substance called _____.
a. lignin
b. lanolin
c. lignite
d. lactose