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.
Answer: A diver can cut through water in a swimming pool. The property observed in this phenomena is listed below. This shows that the particles of matter have spaces between them.
This shows that the particles of matter have spaces between them and the interparticle forces of attraction between liquid particles
The Gobi is a large desert<span> region in </span>Asia<span>. It covers parts of </span>northern<span> and </span>northwestern China<span>, and of southern </span>Mongolia<span>.</span>
<u>Answer:</u>
<em>The Stereographic projection is a type of map projection which would be used to locate the other side of the lake which cannot be seen.</em>
<u>Explanation:</u>
So basically <em>Stereographic projection is defined as a particular kind of mapping</em> in which it projects the entire sphere into a fine plane map.
Every projection in the map is defined on every part of the sphere but except one point which is called as the projection point.
<em>These maps are considered as smooth and bijective.</em>
