Which precautions should you follow to prevent an abrasive wheel from cracking?

You should only use the end of the wheel and not the sides.

Afew buddies come over to your house to hang out. they notice you're struggling in school, perhaps you have to rely on to pass your class, but you can't absorb the knowledge. they could positively reinforce getting a tutor and working with you, dedicating more time to the areas of struggle and less on hanging out to better yourself.secondly, say you're the victim of bullying. you're afraid to tell an adult because of possible repercussions from the bully himself. your friends encouraging you and pushing you towards telling an adult for your safety is another example. 

The answer to your question is  it relieves stress and boredom.  the rest of the answer choices would be long term.