A substance known as aerogel has one of the lowest known densities of any solid. Around 2004, NASA used aerogel to obtain interstellar dust from the tail of a comet. How many pounds of aerogel are in a cubic foot? The density of aerogel is 3.0 mg/cm. Do not enter “pounds” as part of your answer.

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.

Why do cells appear different in distilled water than they do in 10% salt water?

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done