It is hard to recover fossils due to the fact that they are under rock that has solidified over thousands and thousands of years. Also, the bones are very fragile so people have to take a lot of time in order to recover the fossils from the ground.
Some political theorists might argue that individual rights must, at times, be sacrificed to promote "the common good", since if everyone were to act impulsively and follow their individual will at all times, society would suffer. <span />
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Explanation:
Everyone knows about the plague.
The paragraph turns its attention to sweating sickness that has two major outbreaks: 1485 and about 70 years later in 1556. It's a terrifying disease because it acts almost as quickly as a poison. The fact that it could come and go kept people on edge.
We moderns likely do not know what it is and what controls it. Certainly speaking personally, this the first time I've heard of it and maybe that's not a good yardstick. After running across 6000 questions, you might think it would have come up once.
The paragraph you quoted only records two instances. After that people just worried about it. Today only medical historians really know what it is.
Answer:
a person employed in an apartment house, office building, school, etc., to clean the public areas, remove garbage, and do minor repairs; caretaker.
Explanation:
