The correct answer among all the other choices is B. The government has banned further development of the region. This statement about the Amazon River basin is not accurate. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
It is true walking in acid rain or even swimming in acid lake is no more dangerous than walking in clean water.
The genocide happened in Rwanda, you are correct.
An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
Also, Marine sediment, any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanism, chemical precipitates from seawater, and materials from outer space.
Ocean currents. That's what it's called