Complex sentence: It runs through the Brazilian states of Acre and Amazonas before eventually running into the Purus River It rises on the Bolivian frontier and flows easterly and northerly to a junction with the Purus at 8 ° 45' South latitude.
Split into simpler sentences: It runs through the Brazilian states of Acre and Amazonas before eventually running into the Purus River. It boards on the Bolivian frontier and flows Easter and North to a junction with the Purus at 8 ° 45' South latitude.