Water in a beaker measures 456milliliters. A rock is completely submerged in the water. The water level now reads 500milliliters. What is the volume of the rock in cubic centimeters? Explain your answer.

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