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.

the answer is a) the proclamation of 1763.

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation: