Examlex
What is the orbital velocity of a 100-kg satellite orbiting at an altitude of 1000 km above the surface of the Earth?
Folds
Structures formed by the bending and warping of rock layers due to pressure and heat in the Earth's crust.
Permeable Sandstone
A type of sandstone that allows fluids to pass through it due to spaces between the sand grains, making it important for water and hydrocarbon reservoirs.
Impermeable Shale
A type of shale rock so compact that it does not allow fluids to pass through it, often creating a barrier for groundwater movement.
Iron Ore
Naturally occurring rocks and minerals from which metallic iron can be economically extracted, commonly found as hematite and magnetite.
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