The answer is Pennsylvanian. I worked on this before. The Pennsylvanian era is a subperiod of the Carboniferous Period. i really hope this helps :)
Human Geography is the answer to the study of people
im pretty sure these are the correct answers (:
for the first one it is change in rainfall. the second one is 25%. the third is surpluses of food abundant food suplies. the fourth one is exploiting and misusing a resource making new products out of raw materials. hope this helps! (: brainiest?
Whats ur question? i dont get it
