Where Does Rubber Come From?
Where Does Rubber Come From? Natural rubber is made from latex, the milky liquid that is found in many kinds of trees and plants. Latex can be seen oozing from the...
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How Do Scientists Measure the Depth of the Ocean?
How Do Scientists Measure the Depth of the Ocean? Historically, before scientists developed new techniques, the depth of the ocean was actually measured by sending a...
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How Are Plastics Made?
Plastics are manufactured from chemicals that come from such materials as coal and petroleum. Petroleum, for example, is the source for different liquids and gases. One...
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How Old Is the Practice of Dowsing?
Water witching, more commonly known as dowsing, is considered a type of divination used to try to locate things that exist underground, including water, oil, precious...
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What Is at the Center of the Earth?
What Is at the Center of the Earth? By studying earthquakes, scientists have discovered that the inside of the earth is divided into three main parts. First comes a...
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