A reef than surrounds a volcanic island is an : Atoll
Atoll usually takes shapes in a form of ring that surround the areas of volcanic island that consist of corals. It usually only exist in warm waters, so volcanic islands will provide perfect environment for the corals
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All mass isn't all together in one area but is actually more spread out.
In this question, there are no options given. So we have to answer based on our knowledge. Aid agencies estimated that approximately four million residents of Ethiopia required food aid in 2009. Ethiopia is a country that has long suffered from drought and famine. The people of Ethiopia has long survived on the basis of the food aids they have received.
B, she is the state counseller for Myanmar