Describe the current atomic model. Include the following: definition of the atom, nucleus, subatomic particles- their charge, mass, and location, electron cloud. Be sure to tell what makes up most of the mass of the atom and what makes up most of the volume of the atom.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

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 does the presence of oxygen affect the chemical pathways used to extract energy from glucose?