Me volcanic (cinders/ash) is made up of rocky particles about the size of a grain of sand.

Answerwill have thinner; have thicker oceanic sediments;

It's between the sagittarius and perseus arms of the milky way.

I'm guessing  a. diverse  because it shows a wide variety of many things.

Many foreign companies buy/build hotels in areas therefore most of the profit from tourism goes to these companies rather than the local economy or local people. 
also, these foreign companies might only employ foreign workers with experience meaning they receive more pay whereas local people would be employed for low skilled jobs and lower pay. 

thats all i can think hope it : )