What do scientist use to detrrmine the direction of the prevailing winds?

Both of these instruments work by moving to minimize air resistance. The way a weather vane is pointed by prevailing winds indicates the direction from which thewind is blowing. ... Modern instruments used to measure wind speed and direction are called anemometers and wind vanes, respectively.

Yes that is correct answer in 6

The war began as a fight between mayans and the landowners of the country. the main causes of the guatemalan civil war was started by the greed of the united fruit company, the fear of communism, and the racism toward the  mayan  people.