Adaptive reactions to fear can be seen in all the following ways except a. fear can unite individuals b. fear improves sensory perception c. fear can lead to irrational behavior d. fear can motivate one toward action

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.