water ______________ Basically, gravity shapes the earth. During the time that it was acquiring more and more mass from the disk of materials in its path, it reached a point where simply by the weight of its own components it began to collapse into a shape that was more and more sphere-like. This in fact is one of the requirements for a body to be considered a planet. In terms of erosion, water wind heat microorganisms plant and animal life all play a part in shaping certain aspects of the surface. But the fundamental shape of the earth is under the control of gravity.
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Nature. Shapes were there long before there was life on earth, or indeed, before there was the solar system.
Historically, it is because we live on a planet which is approximately spherical. 2-dimensional trigonometry was adequate for relatively small shapes where the curvature of the earth had negligible effect. For larger shapes the spherical nature of the earth was important and therefore, so was spherical trigonometry.
There are infinitely many such shapes. There are infinitely many such shapes. There are infinitely many such shapes. There are infinitely many such shapes.
Organic shapes are shapes with a natural look and a flowing and curving appearance.
Two types of shapes are 1. 1D Shapes 2. 2D Shapes Thanks Gaurang