Serfs paid the owner of the land (in the form of labor) to be able to live on the land and have protection, if the serf were to leave. It was usually an unspoken agreement that they serf would stay on the land. If you still need further information you might find some on http://www.thefinertimes.com/Middle-Ages/serfs-in-the-middle-ages.html
Answer:
B
Explanation:
after they won they established the power of the u.s supreme court abd lower courts
According to the statement, a cell line known as heal cells has been employed in cell research for over 70 years. These cells were extracted from either a patient suffering from cervical cancer since they are not normal and it might theoretically live forever.
<h3>Briefing:</h3>
HeLa cells are malignant cells rather than normal cells. In normal cells, chromosomes have telomeres at their ends, which shrink after each cell division. The cell enters senescence when its telomeres reach a certain length. Telomere shortening is hence the cause of cellular senescence.
Telomerase is continuously produced and expressed in HeLa cells. Telomerase is an enzyme that prevents telomere shortening and therefore also cellular aging.
<h3>Can cervical cancer be cured?</h3>
Cervical cancer is treatable, but it is impossible for doctors to guarantee that it will not recur after therapy. As a result, doctors frequently use the term "remission" to characterize cancer that has disappeared and has stopped longer causing symptoms.
<h3>Where else does cervical cancer begin to spread?</h3>
Cancer can spread in these places. Cervical cancer most commonly spreads toward the lymph nodes, liver, lungs, and bones.
To know more about Cervical cancer visit:
brainly.com/question/14441711
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It caused people to look and study our world more closely that can be explained ed
Answer: A - As a store of value, which facilitates the accumulation of wealth and value over time
Explanation: Money is defined as a medium of exchange and as a store of value. Money is anything that can be used as an exchange for goods and services. There are various functions of money and they are:
1. Medium of exchange - it can be used to settle all transactions for goods and services.
2. Measure of value - it can be used to measure the worth of goods and services.
3. Store of value -it can be stored now for the future. It is a way to store up wealth for the future.