Mark all those of the following that are appropriate uses of glassware in the laboratory:

a. to accurately measure 20.00 +/- 0.02 ml, use a 10.00 ml pipet making two deliveries.
b. to accurately measure 20.00 +/- 0.02 ml, use a 150 ml beaker with marked graduations.
c. to quickly approximate 20 ml, use a 10.00 ml pipet making two deliveries.
d. to quickly approximate 20 ml, use a 150 ml beaker with marked graduations.

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.