The answer is; Porosity which affects soil texture
The largest particle size is referred to as sand, medium is silt, while the small particles are clay. Soil texture is determined by the ratio of these three in its mixture. Soil with a higher proportion of clay becomes waterlogged easily when it rains. The right kind of soil for farming is loam because it is well drained.
They are all rock with different size and shapes and are located in different areas possibly in the same areas but they all have there own unique textures from the photographs and 3 of them look like maybe a fossil of some type of when the dinosaurs where still around and the rocks on the top left corner look smooth and are a small type of igneous rocks. That have been soothed over the years.
Answer:
Friction depends on the coefficient of friction which in turn depends upon the nature of the surface. Hence, this statement
is false.
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