The Grand Canyon is like a history book because you can see all the layers of rock and dirt throughout the ages, and scientists can read those to tell what happened.
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Rome gets its water from lake Bracciano and the aqueducts, which supplied fresh water to public baths and for drinking water, in large cities across the empire, and set a standard of engineering that was not surpassed for more than a thousand years.
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Paragraph on Natural Resources:
Natural resources are substances that are found naturally without any engagement from human beings. ... Natural remedies can be found in different forms. It can be found as non-living things like minerals, air, water, etc. These are called abiotic resources.Jul 22, 2020
Kelvin is the system of units usually used for physical sciences.
