Ithink its either a. or b. but i am not sure. can someone me

which of these fields is the best example of what physical geographers study?
a.
ecosystems and environments
b.
ancient cultures
c.
economics and governments
d.
cities and societies

The correct answer to the question is : A) Ecosystems and environment.

EXPLANATION:

Before answering this question, first we have to understand physical geography.

The physical geography is that branch of geography ( part of natural science) which deals with the study of processes and patterns that occur in natural environment. The scientists undergoing this study is called physical geographers.

From above, we see that physical geographers study ecosystems and environment.

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws

yeah man were the map at?