Gricelda came to the United States from Puerto Rico. She speaks very little English but is in a special class that teaches her in both English and Spanish. Gricelda is in what type of program?

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