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- 1. Multiple Choice
What were 2 kinds of evidence were used to prove that the seafloor spread?
rock formations, WWII shipwrecks
magnetic seafloor stripes, WWII ship logs
magnetic seafloor stripes, age of rocks
- 2. Multiple ChoiceWhat technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?SonarRadarGPS
- 3. Multiple Choice
Process by which new ocean crust forms.
Seafloor spreading
Continental drift
Mid-ocean ridge
Rift
- 4. Multiple ChoiceThe zone where one plate slides under another is called theConvergent zoneSubduction zoneTransform zoneMantle zone
- 5. Multiple ChoiceUndersea mountain range.RiftMid-ocean ridgeseafloor spreadingContinental drift
- 6. Multiple ChoiceThe OLDEST seafloor is located?Closest to the mid-ocean ridgeFarthest from the mid-ocean ridge
- 7. Multiple ChoiceWhat are Mid-Ocean Ridges?A chain of underwater waterfallsA chain of underwater volcanosA chain of underwater mountainsA chain of underwater rocks
- 8. Multiple Choice
Sea-floor spreading begins at the
Deep ocean trench
Mid-ocean ridge
Continent's edge
- 9. Multiple ChoiceOlder crust is found towards the...Mid-ocean ridgeDeep-ocean trenchAsthenosphere
- 10. Multiple Choice
Why does oceanic crust sink below the continental crust during subduction
oceanic crust is less dense
oceanic crust is more dense
oceanic crust is older
oceanic crust is warmer
- Answer choicesTagsAnswer choicesTags