Eruptions<span>. </span>Geyser<span> activity, like all hot spring activity, is caused by surface water gradually seeping down through the ground until it meets rock heated by magma. The geothermally heated water then rises back toward the surface by convection through porous and fractured rocks.</span>
Evidence that the Earth’s surface moves is that earthquakes happen. This is evidence because earthquakes happen from movement.
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Answer: C. The "boundary" refers to a legal border, not a physical one.
Also, there's no underlined word. Hope you meant "boundary".
Answer:
The Selective Service System is an independent agency of the United States government that maintains information on those potentially subject to military conscription
Geospatial technology like GPS, GIS Google Earth, Lidar etc for example answer the question of where are both natural and artificial features located on the surface of the earth and what is their relationship ie of the natural features like segments of an esker for example or of mining of an esker to show the extent of the mining. This information is good for planning of say future mining, of constructing new buildings, pipelines, roads ie infrastructure. Geospatial technology can aid in the understanding of the landscape but cannot determine, for example where exactly an orebody exists, ie one that is buried under the ground, for this other means must be sought like exploration drilling, trenching etc.