Can anybody help me with chemistry please ? And no joking around I’m very serious right now !

If you want to create an electrical current, which situation would produce a solution capable of this

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

In salt water solution,the salt is the blank