The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about which of these?

The answer is the Hurricane's Track, because if you are not in the track of the hurricane, or path, it will not impact you as much. Hurricanes originate very far from where they impact, so that is of no concern to you unless you are in it's path. The maximum wind speed and category rating will not impact you unless you are in the path either.

B] nitrogen fixationmight be wrong, so correct me.want extra on your answers? just go on my account and go on questions and answer, or ask in the comments!

From a high concentration to a low concentration.