A. True
As cultures are introduced to new ideologies, they themselves can change. Take religion as an example: the spreading of religion has drastically changed some cultures. <span />
<span>The Mexican metallogenetic provinces map shows a wide variety of minerals (Fig.3) which include among others: gold, silver, copper, zinc, lead, molybdenum, manganese, fluorite, titanium, coal salt, sulfur and iron.</span>
Answer:
SERF
(Middle Ages) a person who is bound to the land and owned by the feudal lord
Slave
I think it would depend upon the financial background of a student. A good family financial support does not need a big amount for education. The US offers part time job opportunities that are favorable for them. The percentage should still look into a financial assessment for school education and have a definite clustered support that is based on their capacity to go through the whole course.