<h2>
Answer:</h2>
The earth behaves as a magnetic dipole. Therefore a freely suspended magnet always points towards in the north-south direction because the north pole of the suspended magnet attracts the south pole of the earth's magnet which is the geographical north pole of the earth.
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Answer:
Before the front of the vehicle enters the intersection.
Explanation:
When stopping at a stop sign where there is no crosswalk or stop line, a driver should stop his/her vehicle before the front of the vehicle enters the intersection.
The front part of the vehicle comes in contact initially. On the other hand, the back part comes after that.
Hence, the correct option is (b).