Answer:
option b or c I don't know
The segments of Sub-Saharan waterways unnavigable is made of waterfalls and quick rapids make the district's streams unnavigable in many spots. Techniques being utilized as a part of Sub-Saharan Africa to invert arrive debasement incorporate is expanded soil richness, diminished utilization of compound operators, reforestation.
<span>Climate change, contributed to by fossil fuel emissions, opens up new regions for the extraction of more fossil fuels. It's a catch-22 that can only be solved by a halt to drilling. Greenpeace have obviously become an effective thorn in the side of big Arctic oil.</span>