In volcanic rocks, it may be gas bubbles. Otherwise, it may be where certain minerals are more susceptible to solution and erosion.
sasa
water and rocks salts
The crust stretches and gets thinner so the pressure decreases on the mantle rocks below this causes part of the mantle to melt
La Bara Tar Pits has almost all tar pits outside on the gates
High speed wind such as a tornado or cyclone can result in weathering of rocks. weathering of rocks make the huge rocks into stones and then into pebbles and then gradually into sand.
Deep pits in the skin can be caused from scars. For instance, acne scars can cause deep pits in the skin.
Water erodes rocks by taking away little bits, and water gets into the little pits of a rock, and when it freezes, the water expands and makes the pits/cracks bigger. Over time, this breaks the rocks down.
Uneven watering.
It is abrasion
Near rocks, and in small sand pits filled with water, especially in seaweed
No, its erosion that causes rocks to change
Cleaning your belly button or scratching your arm pits.
When plate movement causes rocks to break it is call an earthquake.
Weight causes density, density causes pressure, pressure causes heat. Heat and pressure change rocks into other rocks, which are metamophic.
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Any time stress causes rocks to change, deformation occurs.
Any time stress causes rocks to change, deformation occurs.