Tammy needs to find the volume of a marble. Which correctly describes the tools and techniques she will need to find this measurement?

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

Acontrol during an experiment. might change remains constant does not exist does change

Which change to the system wood cause the freely-moving piston to lower?