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)
Affection is not valued in masculine culture.
1.) Heat will flow from the tea into the air in the room.
For the last one I think it is D
I think it will be qualified
