Examlex
A lower frequency signal uses a ________ antenna, whereas a higher frequency signal uses a _______ antenna.
Continental Rifting
The process by which a continent stretches and splits along a rift, often leading to the formation of new ocean basins.
Seafloor Spreading
A geological process in which new oceanic crust is formed at mid-ocean ridges and spreads outward, contributing to continental drift.
Mantle Upwelling
The ascent of hotter material from the Earth's mantle to the crust, a process that can lead to volcanic activity and continental rift zones.
Mid-ocean Ridges
Undersea mountain ranges formed by plate tectonics, where new oceanic crust is created by volcanic activity.
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