Multiple choice

What are Geosynclines?

  1. Arched upfolds in the strata of the earth's crust.

  2. Major structural downfolds in the earth's crust.

  3. Large scale rises in the earth's crust.

  4. Sliding of plate margins inside the earth's crust.
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B Correct answer
Explanation

Geosynclines are large-scale, linear depressions in the Earth's crust that accumulate thick layers of sediment over long periods, eventually becoming mountain ranges.

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