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A glacier.
Rock layers
Glaciers
Rock layers
Well over 5,000 years ago. Ancient Egyptians used it in building tombs.
The Earth's magnetosphere has flipped. It is the opposite as it was thousands of years of go.
over thousands of years
The Earth is a planet that rotates around the sun the solar system. The earthÕs moves on an axis and it moves eastward at a steady pace around the sun. The earth is self has power movement of plates which over thousands of years has created what we know of as our continents.
No one person. It was a collective effort, involving thousands of people over thousands of years.
Thousands of years. Over 6,000 years.
A chisel is an example of a wedge, a pair of inclined planes. A combination of the two inclined planes.
Greece and Italy