It is when warm air rises then cools then drops then rises then cools then drops etc
Genesis, Exodus, Leviticus, Numbers and Deuteronomy.
Answer:
The domestication of animals helped contribute to the development of permanent settlements because some animals could help locate were there is food.
The animals need food in order to survive and so do humans, so wherever the animals went to eat they saw that they could eat the similar things.
Explanation:
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Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
