The total potential difference across the 10 batteries that supply power to a portable two-way radio is 12.0 V. If each
battery supplies an equal portion of the potential difference,
what is the potential difference (voltage) across each
battery?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.