island. people on the ships may visit it to buy coconuts.
it seems that coral might keep on growing until it filled the ocean. but the coral has enemies. fish n=bite through the little stone house and eat the soft, coral living inside. worms and snails drill holes through the coral’s house. and sometimes, when the waves are very rough and strong, big pieces of coral are broken off. but more coral always keeps growing.
computers help the astronauts make their trips into space and back again. but this is the only one of the many ways that computers work for man. there is hardly any business in which computer cannot be 