I cant see the graph but the likely affect would be a unbalance to the food chain because animals that relied on the rabbits as a food source will go hungry.
Anthrax is a rare bacterial disease spread by animals, insects, and mosquitoes. Victims may feel ill or have skin ulcers and difficulty breathing. I believe that you can find how it was used in a (story I believe in your case) by trying to find its significance of it to the story. Try to imagine what the story would be like without it? Does it change the ending?
Hope this helps!
I think D because the whole thing is gaseous and it has two atmospheric layers
Cross breeding the fruit will give the offspring characters of both fruit parents due to the DNA being replicated and passed