In mountains lava doesn't come out and in volcanoes lava does come out
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The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
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2 . Geometry
Explanation:
<u>Egyptians were skilled in the study of geometry which they used for the development of their civilization</u>. The great pyramids they built are the visible and still surviving evidence of their vast knowledge.
<u>For the construction of the pyramids, they had to develop great geometrical precision and follow it so the structures would be precise and developed. </u>Their basis is the square, and all of their sides are exactly the same. <u>The archeological evidence found in Egypt shows that they know the properties and proportions of shaping the pyramids and making them so they would stand. </u><u>This proves their usage of geometry.</u>
Answer:
Because scientist have used devices similar to x-rays to see what is in the center of the earth
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