How Can Scientists Control the Weather?
Since the 1940s scientists have discovered techniques by which several weather conditions can be controlled. For example, it is possible to prevent lightning by using...
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Why Do Exhaust Fumes Contain Lead?
Why Do Exhaust Fumes Contain Lead? The lead in exhaust fumes comes from the petrol used to drive the internal-combustion engine. Crude oil straight from the wells is...
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