Where did the gold of the inca civilization come from
a) continental-continental convergence
b) divergent plate boundaries
c) transform plate boundaries
d) ocean-continental convergence

The correct answer among all the other choices is d) ocean-continental convergence. This is where the gold of the Inca civilization come from. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help. 

Yes you are correct use the scientific method

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.