Which statement describes an advantage of renewable resources they are cheaper than traditional energy sources they are a source of clean energy they are located everywhere around the world they are an affordable means of energy production that supposed to mean

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line