Yes it is in fact it is usful
Answer:
B.lightning striking a tree
Explanation:
The crowd dispersing in all directions is not a closed-loop by any means, and students jogging around an oval track as well is not a closed-loop, and also not a cross country run from one point to another. However, the lightning striking a tree is a closed loop that best models a circuit. And as lightning strikes the tree, like a closed circuit, tree catches the fire, or in circuitry words, the current is generated, and tree catches the fire due to it, just like bulb starts glowing.
Answer:
Ping the interface using the cmd or terminal
Explanation:
A. Sometimes it is marked by outwards pointing arrows (<= =>) with the reverse (collapsing so as to not take up the whole screen) being in the same spot, marked by inwards arrows (=> <=)
