Why Do Some Flowers Close up at Night?
Why Do Some Flowers Close up at Night? Flowers close their petals at night because they are protecting the pollen and other reproductive parts of the plant that are...
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How Can You Tell What Time It Is by Looking at the Sun?
How Can You Tell What Time It Is by Looking at the Sun? We know that the Sun moves across the sky during the day. Probably the simplest way to tell time is by knowing...
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How Many Eyelids Does a Camel Have?
How Many Eyelids Does a Camel Have? A camel’s large, dark eyes are protected by three eyelids. The two outer eyelids have long, thick eyelashes that protect the...
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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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Why Do We Get More Sunlight in the Summer than in the Winter?
Why Do We Get More Sunlight in the Summer than in the Winter? You might not have noticed from just standing the Earth’s surface but the whole Earth tilts over...
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