What type of communities do acequia systems serve today? A. military
B. industrial
C. mining
D. agricultural

Communities that still use acequia systems are mostly smaller communities that stick to traditional values like farming communities near the American-Mexican border. All members of the community who participate in the system can take water freely and use it but have to participate in the system's maintenance.

answer; ///i do believe that the correct answer for the above is ( which states would be free and which states would have check first good

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.