Answer:
Explanation:
In Europe during the Middle Ages, the feudal and manorial systems governed life and required people to perform certain duties and obligations. Feudalism first originated partly as a result of Viking and Muslim invasions. Kings were unable to defend their lands, and lands of their nobles.
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Answer:it changed cause back in the day kids would have to work in factories but now they have laws against it and same goes with the hours of work and the safety
Explanation:
Mortgage<span> loans commonly have that trait</span>
Answer:
b) negative reinforcement
Explanation:
Negative reinforcement has to do with rewarding or responding to a certain stimulus or behaviour by respond in a negative or averse manner.
Mary tries to change Pearl's behaviour by refusing to making a comment or responding to Pearl speaking her native language when she's capable of expressing herself in English. They do this so she would learn to speak English more and get used to it.
Pearl's family are using negative reinforcement to try and get her to speak English more often. If she uses her native language, she is ignored and not replied to unless she repeats her words in English. Ignoring her is the averse method her family is using to get her to respond to the stimulus of speaking English.
Answer:
Wheels
Explanation:
A lot of things use wheels and are made from them today, help with construction, transportation, etc.
