The ancient Romans built complex waterworks. Sir Benjamin Thompson was a physicist whose work led to improvements in cooking equipment and steam heating. The clepsydra, or water clock, was the first mechanical clock. In 1854, British physician John Snow traced a disease outbreak to a single contaminated water well in Golden Square London. A. Anthrax B. Onchocerciasis C. Cholera Malaria-spreading mosquitoes breed in standing water.
Potable water is a valuable resource in arid Australia.
A. Billabong B. Coolibah C. Jumbuck Desalination plants convert sea water into drinking water, but the process is expensive. Wherever you travel, you need to be able to discern the men's restroom from the women's. Some waters are believed to have rejuvenating powers. All rights reserved. This data, or parts thereof, may not be reproduced in any form without permission from Getting Through Customs.