Hundreds of thousands
They did. There is historical evidence that they did reach North America well before Columbus.
They were the American Indians.
BC = Before (the birth of) Christ. Consequently the New Testament was written later (= AD), but the Old Testament hundreds of years earlier (= BC).
ac is After Christ and bc is Before Christ
The latest scientific evidence suggests that there were about 13.75 billion years, plus or minus 170 million years, before the birth of Christ. Here are some good articles on the subject:Why_do_scientists_think_Earth_is_4.5_billion_years_oldhttp://en.wikipedia.org/wiki/Age_of_the_universe
King David is traditionally believed to have been born around 1040 BCE. Since the designation "before Christ" (BCE) counts down to the year of Christ's birth, this means King David was born approximately 1,040 years before Christ. However, exact dates can vary based on historical interpretations and archaeological evidence.
Before Christ means Before Jesus Was Born And After Christ Means After Jesus Was Born
Before the birth of Christ
Before the birth of Christ
Cause they were here first thats why
BC means Before Christ. Its method of calculating time.