Margaret Brown traveled to France to A. recuperate
B. vessel
C. gazed
from so much hard work in her community.

It’s A none of the other answers make any sense

Ibelieve the answer is relative humidity  because it makes more sense that way. solar flares usually occur in space it doesn't affect the earth, well it could but it wont make a significant damage.  latitude is land it doesnt do anything. prevailing winds, i dont know the correct meaning for this but i doubt that affects the land so it has to be relative humidity.

When scientist examine data such as historical documents, they are using the "scientific methods"