Examlex
Choose the best Lewis structure for NH4⁺.
Fractures
Breaks in rock or mineral without the movement parallel to the surface of the break, often a result of stress exceeding the strength of the material.
Underground Lakes
Bodies of water that exist beneath the Earth's surface, often found in caves or formed by natural aquifers.
Porosity
A measure of how much of a rock is open space, which can hold water, oil, or gas.
Dry
indicates a lack of moisture or water content.
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