How has СOVID-19 demonstrated
the process of the scientific
method for the public?

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

What is the mass of 0.46 mil of mgcl2

I’m an electrically neutral atomic any element, there are equal numbers of