When Was the First Lighthouse Built?
When Was the First Lighthouse Built? The first known lighthouse was the Pharos of Alexandria in Egypt, a 400-foot tower built about 280 B.C. A wood fire was kept...
Read MoreWhen Was the First Lighthouse Built? The first known lighthouse was the Pharos of Alexandria in Egypt, a 400-foot tower built about 280 B.C. A wood fire was kept...
Read MoreWhy Do Some Liquids Burn? Some liquids will burn because when their molecules mix with the oxygen in the air the mixture becomes combustible. The application of heat...
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