Dams built along the rivers have caused problems for people living further downstream because question options: dams are expensive to build a river can only be dammed in one place along its path. no fish can live in the rivers after they have been dammed less water comes down the river to those people once the dam is built.

Which term refers to a group or community that forms the focal point of a study and consists of all the people considered for evaluation in the research? a. sample b. population c. variable d. mean

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

Read the aphorisms. be slow in choosing a friend, slower in changing. an open foe may prove a curse; but a pretended friend is worse. a true friend is the best possession. according to these aphorisms from benjamin franklin's poor richard's almanack, what might happen if a person is careless in choosing a friend? it is best not to have friends because they will usually betray you. casual friends are often the best and can be more trusted than enemies. a person who has betrayed you can sometimes become a good friend. a friend who is not carefully chosen can be worse than an enemy.