Exercise 2 - Proofreading for Fragments and Run-Ons Rewrite this paragraph, correcting each fragment and run-on. You may add words
to any fragment to make it a sentence, or combine it with another sentence. To
correct a run-on, you may either separate the sentences or join them correctly.
Scuba diving is a popular pastime. Scuba is an acronym it stands for "self-contained underwater breathing
apparatus." In the fifteenth century. Leonardo da Vinci designed an underwater diving suit. Functional
equipment not developed until much later. The eighteenth century brought practical devices for breathing
underwater. Such as diving suits and diving bells. Wearing these suits, divers could breathe underwater, their
mobility was limited. The twentieth century had Jacques Cousteau and Emile Gagnan to solve the problem.
Perfected the aqualung. The aqualung is a cylinder of compressed air, it is worn on the back and connected to a
mouthpiece. With an aqualung. divers have both air and mobility. Since 71 percent of the earth's surface is
covered by oceans. Scuba diving opened up a whole new world.