Fighting. Hope this helps. Correct me if I’m wrong. Have a lovely day. :)
it's definitely D. patterns of arithmetic density within specific regions
Again, the rest don't fit well w it
For example, humans use their incisors and canines for ripping and cutting, and their molars and premolars for grinding. ... Rodents are famous for their long, continuously growing incisors, which they use to chew through husks, shells and wood.
The Ring of Fire starts around New Zealand and travels around to Chile. I hope this helps.