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if all the layers of earth are firm solid, what could have happen to pangea ?

Sagot :

Nczidn
It would have stretched and covered the whole world.

If the layers of the earth are firm solid from inner to its outer layer, the planet earth will have no water, no sea or any body of water.

Second, there'll be no continents but only plane lands.  The reason is, if the inner layers are solid, there'll  be no hot core that causes volcanic eruptions and earthquakes that cause the supercontinent or the pangaea to break apart.