Answer: create oxygen as a by-product
Answer:
B)- It comes from our training as we grow up.
Explanation:
We are not genetically programmed to learn a particular culture. Every human generation potentially can discover new things and invent better technologies. The new cultural skills and knowledge are added onto what was learned in previous generations.
Answer: a, Germanic kingdoms eventually gave power back to the Romans
A new breed of managers and experts replaced traditional property owners as the leaders of the middle class.