If an atomic bomb were detonated on the surface of the moon, what impact will it bring?

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

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Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system