The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes

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.

How many moles are in 43.9 l of oxygen

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating