What Is a Sailing Vessel?
A sailing vessel is a ship powered by the wind, using sails. The earliest sailing ships were reed craft used in Mesopotamia circa 5000 BC, and 2000 years later, wooden...
Read MoreA sailing vessel is a ship powered by the wind, using sails. The earliest sailing ships were reed craft used in Mesopotamia circa 5000 BC, and 2000 years later, wooden...
Read MoreWhere Does Beach Sand Come From? The answer lies in a process called erosion. That’s the slow wearing away of an object by natural forces. In this case, the erosion of...
Read MoreWhat Is the Mistral? This is the name given to a wind which blows in the Rhône Valley in France. The wind is caused by an exchange of air between the cold hinterland of...
Read MoreWhat Makes the Wind? Wind is the movement of air across the surface of the earth, caused by warm air rising and being replaced by cooler air. Except for the monsoons,...
Read MoreWhy Does the Sahara Change Shape? The Sahara, the world’s greatest dry hot desert, stretches right across the north of Africa where there is almost no rainfall and,...
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