Abby volunteers at the planetarium at the Museum of Natural History. She is putting together a presentation about the solar system in which she will describe the shape of the solar system. She uses the term when she discusses the plane in which the planets orbit.

Which statement describes james chadwick’s discovery.

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion