According to the theory of continental drift, the continents _____.
used to be joined together
have always been separate
were once several smaller islands
have joined together over time
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Answer:
Alfred Wegener proposed that the continents were once united into a single supercontinent named Pangaea, meaning all earth in ancient Greek. He suggested that Pangaea broke up long ago and that the continents then moved to their current positions. He called his hypothesis continental drift.
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Answer: Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed.
Explanation: used to be joined together..
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