The way to properly lift an item is: a) grip the item loosely with your fingers b) squat down close to the item with your back arched, knees locked, and stomach muscles relaxed c) stand at a distance from the item on your tiptoes with your heels touching. d) lift and stand up slowly, keeping your back straight and letting your legs do the lifting.

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u.s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.