How can stress actually be a good thing

In fact, stress can help you accomplish tasks more efficiently. It can even boost memory. Stress is also a vital warning system, producing the fight-or-flight response. When the brain perceives some kind of stress, it starts flooding the body with chemicals like epinephrine, norepinephrine and cortisol.

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explanation:

1 true

2 true

and 3 true im assuming these are true or false. hope this