How can the addition of supernatural elements in a story advance the plot?
a) by creating conflict
b) by confusing characters
c) by scaring the audience
d) by tying tying up loose ends

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.