Brazil's many rivers are important because they provide:

waterways are an important means of transport and vital source of irrigation and hydropower in many countries. Brazil is no exception, And, due to it's many rivers and basins, combined with it's proximity to the Atlantic Ocean, this South American country is very dependent on it's networks of rivers that wind their ways across, over and threw their magnificent terrain.

I hope this helps!!!

it should definitely consists of the total amount of the entry which hindered the diary of how most conflictions and opinions in the 1800s experiences.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."