Ineed finding the definition of the property of negative exponents

Read this excerpt from leah missbach day's foreword to wheels of change. as wbr's resident photographer i am privileged to see firsthand the impact bicycles have on the lives of our recipients. why does the author include this excerpt?

What is the best way to manage oil transport on waterways? a. prevent oil spills and regulate the amount of oil that can be shipped at one time. b. use a skimmer, containment boom or chemical dispersant to clean up spilled oil. c. burn off oil spills from the water's surface when they occur.

That rolled gracefully toward the shore