Why Do Pine Trees Stay Green All Year Long?
Why Do Pine Trees Stay Green All Year Long? A pine tree remains green throughout the year because it doesn’t lose all its leaves at one time. Trees that remain...
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What Causes the Change of Seasons?
What Causes the Change of Seasons? The movement of the Earth around the sun causes the seasons. The Earth is tipped slightly as it moves along its path around the sun....
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Where Do Bees Go in the Winter?
Where Do Bees Go in the Winter? Each insect has its own particular way of dealing with cold temperatures during the long winter months. Different species of bees have...
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What Causes a Cold?
What Causes a Cold? Common colds are caused by a type of germ known as a cold virus. This germ infects your nose and throat, causing you to sneeze and sniffle, and your...
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Why Does Salt Melt Ice?
Why Does Salt Melt Ice? Salt enables ice to melt because it lowers the temperature at which water freezes. How does this melt ice? When you sprinkle salt on an icy...
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