cecilla wants to measure the thickness of a piece of cardboard she stacked 10 identical cardboard pieces and used a ruler to measure the thickness of the stack as shown in the figure

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

2b2t

explanation:

2b2t

fe 55.85 g/mol and h2o 18.02 g/mol.