Percy Jackson's brother is Tyson and he's a cyclops.
Best guess is the 3rd one
In history such as World History? You should be able to distinguish the trends and differences in different periods say "Period 1 vs. Period 2" where each period represents a different range of years (in AP World History I learned it with 6 periods but it varies from year to year of when it is taught)
Answer:
because Science and technology gives you solid proof. ... But that is not the case with humanity and social sciences. It is perspectives, attitudes, and emotions.
