How to test the pH level of a soap?​

More solar radiation is absorbed by earth’s surface than by

I’ve been stuck on this for a while

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral