There are 4 main large islands
According to the Wikipedia, more than 75% of the worlds most active volcanoes occur on the Ring of Fire.
About 81% - 90% of the words largest earthquakes also occur on the Ring of Fire.
I would like to refer you to this website, it has everything you are asking about--
http://thediplomat.com/2015/01/china-the-influence-of-history/
Hope this helps!
Answer:
Johannesburg has a delightfully mild climate, neither humid nor too hot. There are about six weeks of chill in mid-winter
I'd say B. because the Arabics were mainly farmers
