A group of structures within the brain associated with linking the physical to the emotional is called the ________ system

How must steel that has been incorporated into a fire wall be protected in steel-frame buildings?

A. There is no requirement for protection beyond natural qualities. B. It is required to be enclosed within a fire-rated structure. C. It must be protected with spray-on insulation or other barriers. D. It must provide the same degree of fire resistance as the fire wall.

When kids are born they usually weigh _____ pounds.

Fill in the blank(s) with the appropriate word(s).