Two cars leave from two different cities 50 miles apart on a straight highway. If one car is going at 50 mph and toward the other car which is going 60 mph, at
what time will they meet?

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:

b. examine and describe cells