More than 3,000 years ago an ungainly but useful desert aimal was domesticated in Arabia. It was the Arabian camel, a long-legged beast withone large hump on its back. It could cross hot deserts without needing much water, and it could carry heavy loads without tiring. The two-humped Bactrian camel of central Asia was also domesticated long ago. It is sturdier than the Arabian and can carry heavier loads. During the winter, its brownish hair is …showed first 75 words of 441 total…

…showed last 75 words of 441 total…it to carry metal ores from mines in the mountains. It has long white or brown hair. The dark-colored alpaca has even longr hair, which is exported all over the world adn made into fabric. Teh wool worn by Inca kings was woven from the very soft, fine hair of the wild vicuna. The guanaco is the tallest of the South American camel-like animals. The hair of the guanaco is too stiff to be useful.