It begins every year on the in January and last 140 days
I'd appreciate if you attached the article as well. But i'm 90% sure it's option D. A quick search reveals that it was dubbed Black Saturday due to rapid fire growth within Yellowstone park. Option D is really the only one that relates to that at all.
Hope this helps!
The first question would be E because DNA in the nucleus contains the instructions for making proteins, and the second question would be C