Examlex
Some goods, such as lighthouses, can switch between being public goods and being private goods depending on the circumstances.
Magnetic Stripes
Patterns of alternating magnetic polarity found on the ocean floor parallel to mid-ocean ridges, providing evidence for the theory of plate tectonics and seafloor spreading.
Volcanic Rocks
Rocks formed from the cooling and solidification of magma or lava.
Oceanic Crust
The portion of the Earth's crust that forms the ocean basins, primarily composed of basalt and denser than continental crust.
Plate Boundary
The edges where two tectonic plates meet, which can be categorized into convergent, divergent, or transform boundaries based on their movement relative to each other.
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