16:38:11 Why is the coastal crossing theory of migration hard to prove or disprove? There are many early human sites that provide clues about migration. The coastlines that migrants would have sailed along are underwater. Sea levels have lowered since the Ice Age. The climate has remained the same since the Ice Age.

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The correct statements as to why the coastal crossing theory of migration are hard to prove or disprove are as below -

  1. There are early human sites that provide clues about migration.
  2. The coastlines that migrants would have sailed along are underwater.
  3. Sea levels have lowered since the Ice Age.

So, the correct options regarding the coast crossing theory of migration are A, B and C.

What is the Coastal crossing theory of migration?

The coastal crossing theory of migration is based upon the beliefs where some have given the approval for the happening of such acts whereas, some have highly criticized it with valid reasons.

A group says that it is proved by the early human sites providing clues about migration and that the coastlines sailed by the migrants along are underwater.

There is also a belief that the sea levels have lowered since the Ice Age. However, there are no confirmations of such facts and there are irregularities in the clues.

Hence, the correct options are A, B and C which tell that the coastal crossing theory of migration is hard to be proven or disproven.

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