A(n) decision is a decision in which two conditions must be true for an action to take place.

The answer is "AND" decision.

In an AND decision, two conditions must be valid for a subsequent move to make. An AND decision needs a nested decision or the utilization of an AND operator. In an AND decision, the most proficient approach is to begin by making the inquiry that is more averse to be valid.   

well, paralell is parallel. i am providing links to .

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a series circuit is one with all the loads in a row. there is only one path for the electricity to flow. if this circuit was a string of light bulbs, and one blew out, the remaining bulbs would turn off.

unlike in series circuits, a charge in a parallel circuit encounters a single voltage drop during its path through the external circuit. the current through a given branch can be predicted using the ohm's law equation and the voltage drop across the resistor and the resistance of the resistor.

a parallel circuit has certain characteristics and basic rules: a parallel circuit has two or more paths for current to flow through. voltage is the same across each component of the parallel circuit.