Basically particles that shouldn't be in the air are there from burning coal and other different air pollutants.
c)mainly continental volcanic arcs
Obtuse angle I believe m8
Answer:
Explanation: It bans all importation of foreign goods
Ethnic, political and social tensions among European colonial powers<span>, indigenous Africans, and English and Dutch settlers led to open conflict in a series of wars and revolts between and that would have lasting repercussions on the entire region of southern Africa. Pursuit of commercial empire as well as individual aspirations, especially after the discovery of diamonds and gold , were key factors driving these developments.</span>