BC - correct answer Before Christ
AD - correct answer Anno Domini (in the year of our lord)
BCE - correct answer Before Common Era
CE - correct answer Common Era
Politically correct - correct answer To say something in a way so that it does not
offend
anybody. Usually refers to race, gender, or religion
Era - correct answer A period of time marked by a specific event or date.
Ancient History - correct answer anything that happened before the fall of the
Roman Empire in 476 AD
Fossil - correct answer Remains from something that was once living; plant, animal,
or human
Artifact - correct answer Remains of something that was human made
Primary source - correct answer Think I (the author) was there
Secondary source - correct answer Think I (the author) learned about it from another
source