Which of the following is typical of the selection of survey participants? O They can indicate partiality toward a group.
O They must be representative of the population.
O They must be surveyed more than once.
O They can be selected on purpose by a researcher.

The rules of engagement (roe) working group is often used to (select all that apply.)

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?