C. Carl had asked his mothers permission before he left town, this is the correct one because the keyword is "Had" and "before"
Answer:
The Logan family and Mr. Morrison are trying to take a stand against the injustice against blacks by whites that is rapidly building up to a crisis—like the Wallace store boycott, or Mr. Morrison's violent defense of Papa.
Use your senses. What do you hear, smell, see, feel, or taste? (don't use taste unless experiment is edible)! Hope this helps you out!
The answer is A, how does country's population size contribute to it's levels of air pollution