Check every statement about cells that is true. cells come in different shapes and sizes. all cells perform the same function in a multicellular organism. cells are considered the basic structural unit of life. cells are found in every living thing.

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3