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The sphere that we all live on is called the Earth. (It is not a perfect sphere, but close enough)
The sphere wasn't invented, it was natural, like the Earth is natural
The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.
a Hemisphere
Columbus said the earth was sphere when he traveled to America
Gravity.
plate tectonics
bvcv
you are part of wich sphere of Earth
When the Earth was formed it was molten. The forces of gravity would make it shape itself into a sphere. This shape would be "frozen" in place as the Earth cooled and solidified.
The water sphere of earth is the HYDROSPHERE.
The earths atmophere came from your mom!
Life is a circle and so is the earth! Study how things are born (born, grow old, then die!A circle/cycle) and you'll discover your answer! The size of the earth compared to when it was formed is most likely different but the way it was formed is the same....
celestial sphere
earth is a sphere... hemisphere means half of a sphere...
The sphere of earth which contains gases is called the Atmosphere.
The earth is shaped as a sphere.