The "Land Bridge Theory" is helpful in explaining which of these situations? A) how mountains are formed by water B) how the Americas were populated from Asia C) how the continents broke apart millions of years ago Eliminate D) how Europeans were able to make colonies in North America

B

Explanation:

It is believed that early humans used the Bering Land Bridge to migrate from Asia to the Americas

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sry but any answer choices

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.