How long does it usually take for a rock to be transformed from one rock type into another?

a.
a few days

b.
from 300 to 400 years

c.
about one thousand years

d.
thousands to millions of years

Its between 1000 years and 1000-100000 or in other words c and d

Vyfgftftrs s ddrcfvfvvftbynnhnhmu

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.