Question & Answer 2024/2025
Who proposed that all of the present continents were once joined together in a single supercontinent
called Pangaea? - CORRECT ANSWER-Alfred Wagner
The scientific community rejected the theory of plate tectonics because Alfred Wegener could NOT -
CORRECT ANSWER-identify the mechanism to move the continents
In the 1950s, Harry Hess interpreted the paleomagnetic data of newly formed oceanic crust. He
proposed that while new oceanic crust was being formed at the summit of the oceanic ridges, the
adjacent oceanic crust was moving laterally away from the ridge. What is this process called? - CORRECT
ANSWER-Sea Floor Spreading
With the advent of plate tectonics, it was discovered that new oceanic lithosphere is being created at
what location? - CORRECT ANSWER-Oceanic Ridges
A geologist by the name of Eduard Suess not only noted that the continents fit together but also
discovered a fossil that was identical in South America, Africa, and Australia. What type of fossil is it? -
CORRECT ANSWER-Seed Fern
In the early 1800s, geologist Eduard Suess suggested that all the southern continents, including
Antarctica, had once been joined into one large continent. What name did Suess call the one continent?
- CORRECT ANSWER-Gondwanaland
Alfred Wegener proposed that which two continents "fit together" like a jigsaw puzzle? - CORRECT
ANSWER-South America and Africa
Wegener proposed that North America and Eurasia had also once been joined into a single large
continent called - CORRECT ANSWER-Laurasia