When writing an argumentative essay, it is important to have both a and a ?

Read this description of a detail from the movie i am legend. a scientist is the last man alive in a post-apocalyptic new york, where zombies have taken over and destroyed most of the population. about ten minutes into the film, the man thinks back to how the zombie creatures came to be, and how at one point he had a wife and child. which type of suspense technique did the screenwriter use? dramatic irony flashback foreshadowing special effects

Which two pieces of evidence support the idea that coal is underutilized? this was on study island about coal

Need some on this. which answer is it?