Each day the body loses ____ liter(s) of water through respiration, perspiration, and urination

A 7-year-old child was playing near a large pile of sand when the ground underneath him collapsed. You can hear him crying and asking for his mother. Until the technical rescue team arrives at the scene, you should:

A) get as close to the edge of the trench as possible and attempt to visualize the child. B) maintain verbal contact with the child, but avoid going near the edge of the trench. C) throw the child a rope and ask him to tie it around his waist so you can pull him out. D) use several long backboards as shoring to decrease the risk of a secondary collapse.

Short ledges that project out from column to support a precast beam are called:

A. corbels B. support beams C. support cobles D. posttensioning anchors