The movement of weathered material such as gravel,soil, and sand is called erosion.
The hydrologic cycle describes the continuous movement of water above, on, and below the surface of the Earth. The water on the Earth's surface--surface water--occurs as streams, lakes, and wetlands, as well as bays and oceans. Surface water also includes the solid forms of water-- snow and ice. The water below the surface of the Earth primarily is ground water, but it also includes soil water.
The hydrologic cycle commonly is portrayed by a very simplified diagram that shows only major transfers of water between continents and oceans, as in Figure 1. However, for understanding hydrologic processes and managing water resources, the hydrologic cycle needs to be viewed at a wide range of scales and as having a great deal of variability in time and space. Precipitation, which is the source of virtually all freshwater in the hydrologic cycle, falls nearly everywhere, but its distribution is highly variable. Similarly, evaporation and transpiration return water to the atmosphere nearly everywhere, but evaporation and transpiration rates vary considerably according to climatic conditions. As a result, much of the precipitation never reaches the oceans as surface and subsurface runoff before the water is returned to the atmosphere. The relative magnitudes of the individual components of the hydrologic cycle, such as evapotranspiration, may differ significantly even at small scales, as between an agricultural field and a nearby woodland.
The majority of neandertal fossils been found in <u>Europe </u>where they have been most studied.
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The Neanderthals have undergone extensive evolutionary change. Around 430,000 years have passed since the earliest fossils that resemble Neanderthals were discovered. The earliest Neanderthals are thought to have existed between 130,000 and 40,000 years ago, beyond which no physical proof of them can be found.
In contrast to modern humans, who have a more globular skull, Neanderthals had a long, low head with a distinctively noticeable brow ridge above their eyes.
Their face also stood out. A very large, wide nose dominated the forward-protruding middle portion of the face. They would have breathed in warm, moist air thanks to the high internal volume of their noses. The size of their front teeth and the scratch scars on them indicate that they were frequently employed as a third hand when preparing food and other materials.
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The Great Lakes — Superior, Huron<span>, </span>Michigan<span>, </span>Ontario<span> and Erie — make up the largest body of fresh water on Earth, accounting for one-fifth of the freshwater surface on the planet at 6 quadrillion gallons</span>
Because humans have a lot more wonders and information than physicals
