alot of development has gone in the last few years but yet it has been built on barriers islands like houseing and other stuff on the barrier island
Hurricanes and typhoons occur in the Great Barrier Reef.
chemical barrier
Fish
coral, and plants
quota
A deposit of windblown sand is referred to as a sand dune. Dunes occur naturally along coastlines. A manmade barrier of sand with some kind of landfill under it is referred to as a berm.
Keratin is a protein that your hair, nails and outer layers of your skin are made of. This is a protective barrier and water proof.
living on a island in ancient times was kind of a protection, because the river acted like a natural barrier against wild animals and possible ennemies.
Simple as that. It is a Fire Island
importing and exporting
no description given**
Reef, e.g Great Barrier REEF or in an ocean