What Is Global Warming?
Global Warming is the increase of Earth’s average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil...
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Can People Make Rain Fall?
Can People Make Rain Fall? Yes, under special conditions, scientists can cause rain to fall. They can make rain only if clouds are present. The clouds must also be...
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What Causes Weather?
What Causes Weather? Most weather phenomena occur in the troposphere, just below the stratosphere. Weather refers to day-to-day temperature and precipitation activity,...
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What Makes Hail?
During a thunderstorm, balls of ice, called hail, may fall. Hail starts as rain. Before the drops can fall, strong air currents carry them to the upper part of the...
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What Is the Jet Stream?
What Is the Jet Stream? Several miles above our heads in the top part of the stratosphere, winds can blow up to 300 miles an hour. These winds are called the “jet...
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