Which of the following pairs of objects could have a magnetic force acting between them?
a. a block of wood and a metal spoon
b. two metal spoons
c. two blocks of wood
d. a metal spoon and a glass cup

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.