A camera lens used for taking close-up photographs has a focal length of 23.7 mm. The farthest it can be placed from the film is 33.1 mm. a. What is the closest object that can be photographed

c. newton's third law of motion

a.   mass number from atomic number

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.