You have stopped for a train at a railroad crossing that is marked with a Crossbuck sign. When the train has passed, A: You should wait until the departing train is at least 500 feet from the crossing before proceeding. B: You must not proceed until you are sure there are no other trains approaching on any of the tracks. C: You can proceed as soon as the departing train has cleared the crossing.

so you come to the correct conclusions and make the right decision based on good judgment and a clear mind and valid thought processes behind it, and not just hasty thinking and recklessness.

explanation:

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answer: the answer is d

explanation: the answer is d because if motorcycles are always in your blind spot and you don't see them this can result into an unwanted collision and result in serious injury or death. therefore this is not a safe skill you can use regarding motorcycles.