Can somebody please tell me?

What does it mean when you get a warning on

When greg came home for lunch, he realized that his air conditioner was broken. fragment, run on or complete sentence?

Which event occurred in the nearly two-year time span between act 3 and act4 of the tragedy of julius caesar?

Which statement best evaluates the author's use of pacing in the passage? a. the author's use of pacing is not effective, because the imagery and figurative language don't adequately describe either the cheetah or the gazelle. b. the author's use of pacing is effective, because the imagery and figurative language speed up the action, making the scene come alive for the reader. c. the author's use of pacing is effective, because the long, complex sentences the reader fully understand the power and beauty of nature. d. the author's use of pacing is not effective, because the long, complex sentences distract from the sense of stress and anxiety the passage should convey.