<span>They consist of countless small particles, ranging from μm to m in size, that orbit about </span>Saturn<span>. The </span>ring<span> particles are made almost entirely of water ice, with a trace component of rocky </span>material<span>. </span>
I believe some central Asians are mostly whites
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.
3 metamorphic, ignious and sedimentary
