Explain an argument most scientists believe that geographical changes to earth
during the last ice age led to the arrival of the first people in north america explain
scientists' thinking.

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The electoral college consists of 538 electors. a majority of 270 electoral votes is required to elect  the president. your state's entitled allotment of electors equals the number of members in its congressional delegation: one for each member in the house of representatives plus two for yoursenators.congress does the electoral college represent