When Macbeth goes to Duncan's room, he finds him dead. Following this, he finds the guards, covered in his blood. So, Macbeth it was his grief that led him to murdering the guards.
A critical analysis essay aims to review or to critique something and when you write one you should always use FORMAL (option C) language.
In the second question you want to find the best option that persuades someone to eat tortillas, thus you should use the word ENHANCE (option A), because it means tortillas will improve the flavor or the quality of any dish. In other words, the other options are saying tortillas can be eaten with any dish and that it'll taste good, but if you use enhance, you are saying tortillas will make any dish taste better, which is a persuasive argument.
They affect the way the sun reflects off the ground which effects how much sun is in the sky causing different weather patterns
D. By using imaginative and descriptive language