If you could magnify a droplet of water hundreds of thousands of times what might you see

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

Why does his teacher ask him to balance the equation by including the correct coefficient