How do scientists think people migrated from asia to the americas during the last ice age

Which column and row references are updated when you copy the formula: =sum($b5: d$15)? a. column b and row 5 b. column d and row 5 c. column d and row 15 d. column b and row 15

This map shows north korea and south korea today. how does this map reflect the impact of the korean war?

Since the 700 what was the relationship between muslims and christians on the iberian peninsula? how does this relationship impact the desire of christiannations in the iberian peninsula to spread christanity?