16) What is a difference between closed-cell foam-in-place insulation and open-cell foam-in-place insulation?
A)
closed-cell is less effective
B) only open-cell uses polyurethane
C)
open-cell is less energy-efficient
D only open-cell can be used on attic surfaces
E)
closed-cell utilizes a gas to enhance insulation

The hawks are an allegory for the dangers the boy is about to encounter in the desert. which quotation from the alchemist best supports this statement? "sit down. we'll have something to drink and eat these hawks,' said the alchemist.""he watched the hawks as they drifted on the wind. although their flight appeared to have no pattern, it made a certain kind of sensetthe boy.""suddenly, one of the hawks made a flashing dive through the sky, attacking the other. as it did so, a sudden, fleeting image came to tboy."o "who dares to read the meaning of the flight of the hawks? ' he "

Which two characteristics are basic parts of a literary analysis essay about a play?

Which sentence in this excerpt from leo tolstoy’s the death of ivan ilyich suggests that ivan ilyich and his wife couldn’t even agree on how to raise their children?