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
hope this helps<span />
126,720 feet.
Why?: For each inch on a map, it’s equal to 126,720 feet in reality. All maps are not drawn to scale, so we make them smaller and add a scale to ressemble what distances are necessary.
Hope this helps.
Hope of gaining a better standard of living
Due to the adverse conditions of poverty and unemployment in the rural areas, people migrate to urban areas. In urban areas they find increased employment opportunities and better living conditions.
more and better jobs
better hospitals and health care
better living standards
cities are social and financial centres
better education—schools and universities
Charles river, white mountains