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- 1. Multiple ChoiceWhat ocean is growing by sea floor spreading?AtlanticPacific
- 2. Multiple ChoiceWhat ocean is shrinking by subduction?AtlanticPacific
- 3. Multiple ChoiceWhat device was used by scientists to discover what was happening under the ocean?sonarradar
- 4. Multiple Choice
What is the name of the underwater mountain range that is splitting Iceland?
Mid Atlantic Ridge
San Andreas Fault
- 5. Multiple Choice
What was Wegener's theory?
the earth is flat
the continents were once joined together
- 6. Multiple Choice
What did Wegener notice about the continents?
their coastlines fit together like puzzle pieces
most of them start with the letter A
- 7. Multiple Choice
What is Pangaea?
an underwater mountain chain
a supercontinent that existed millions of years ago
- 8. Multiple Choice
Wegener believed that Antarctica was once warm because:
coal was found there
dinosaur fossils were found there
- 9. Multiple Choice
Evidence of glaciers was found on what two warm continents?
Africa and South America
Australia and Africa
- 10. Multiple ChoiceWhat type of boundary formed the Himalaya mountains?divergentconvergenttransform
- 11. Multiple Choice
Where do most tsunamis occur?
Ring of Fire (Pacific Ocean)
Mid Atlantic Ridge (Atlantic Ocean)
- 12. Multiple Choice
What is the sign of an impending tsunami?
whales beach themselves
the ocean recedes (the beach gets large)
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