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- 1. Multiple Choice
Earthquake vibrations are detected, measured, and recorded by instruments calledmagnetometersseismographsRichter scalessonargraphs - 2. Multiple Choicethe middle of the mantle below the lithosphereAthens Greececoremantleasthenosphere
- 3. Multiple Choicemolten, softer, liquid like layer of iron and nickelouter coreinner corelithosphereasthenosphere
- 4. Multiple ChoiceEarthquake activity in California is primarily caused bythe lowering of aquifer levelsthe interaction of tides with the coastplates grinding past each other along active faultsmining activity during the 19th century
- 5. Multiple Choicedense, solid; made of iron and nickelcrustmantleouter coreinner core
- 6. Multiple ChoiceWhich of the following best describes Earth's tectonic platesthey move away from each other at the equatorthey move because of convection currents in the mantlethey form at subduction zonesthey collide at midocean ridges
- 7. Multiple Choicethe crust and upper mantleasthenospherecoreinner corelithosphere
- 8. Multiple Choicethe top layer of the earth; thinnest layerinner coreouter corecrustlithosphere
- 9. Multiple ChoiceEarthquakes and volcanic eruptions most often occurin regions near the equatorin large bodies of wateron large pieces of landnear plate boundaries
- 10. Multiple ChoiceThe best evidence that the continents were once connected is that they have matchingweather, fossils, and rock typesrock types, fossils, and coastlinescoastlines, weather, and rock typescoastlines, weather, and fossils
- 11. Multiple Choicethe center of the earth broken up into the inner and outercrustmantlecoreasthenosphere
- 12. Multiple Choicethe 2nd layer of the earth; thickest layerouter coremantleinner coreearthquake
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