What are scientists trying to find out in the rise of oxygen in the earths atmosphere

Which of these was a result of the labor day hurricane that took place during the great depression? a) farmers lost many orange trees in orlando. b) cattle ranches were damaged near fort mccoy. c) a railroad connecting key west to miami was destroyed. d) a lake overflowed and flooded towns near fort lauderdale.

This excerpt reveals that elinor is select all that apply

What factor aided the russians in defeating napoleon's troops?