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AC-Introduction
Early Man & Tools of Historians
Question | Answer |
---|---|
What is the time machine hidden in every human being? | Blood & DNA |
What continent is considered the birthplace of all humans? | Africa |
What nearly caused the extinction of humans between 50,000 and 70,000 years ago? | Ice Age |
Why did early humans move from out of Africa? | Drought |
When humans moved out of Africa where did they go next? | Australia |
When early humans moved out of Africa why did they go east instead of north? | Ice Age in north |
Why did migrants into Europe eventually become lighter skinned? | Adaptation to absorb more Vitamin D from the sun |
Define "prehistory". | Before writing |
Define "history". | To write |
What does "B.C." stand for? | Before Christ |
What does "A.D." stand for? | Latin for anno domini - in the year of our lord |
What does "C.E." stand for? | Common Era |
What does "B.C.E." stand for? | Before the Common Era |
How do you calculate how much time has passed when using a B.C. date and an A.D. date? | Add the two numbers |
How do you calculate how much time has passed when using a B.C. date and a B.C. date? | Subtract the two numbers |
How do you calculate how much time has passed when using an A.D. date and an A.D. date? | Subtract the two numbers |
How do you determine what century a date occurs? | Cover the last two numbers and add one |