Which group or groups can typically draw benefits that are funded by Social Security taxes? I. Disabled workers II. Laid-off workers III. Family members of deceased workers a. I and II b. II only c. III only d. I and III

The occupational safety and health administration requires employers to provide fall protection to construction workers who are working on surfaces with unprotected sides and edges feet or greater above the lower level.

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b