Examlex
Nitrification requires the presence of a source of readily available carbon,such as manure.
Seismographs
Seismographs are instruments that measure and record the motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources.
Plate Divergence
A tectonic process involving the moving apart, or divergence, of two tectonic plates.
Oceanic Trench
Deep depressions in the ocean floor caused by the subduction of one tectonic plate under another.
Magmatic Belt
A region characterized by extensive igneous rock formation, often associated with plate boundaries and volcanic activity.
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