What is one common function of an arthropod’s antennae? to hear to attract mates to grab food to smell

The common function  of  antennae in arthropod is to  smell
   Explanation

  Antennae  are  a long sensory  appendages  on  the  head  of insects, crustaceans and  some arthropods. They  are usually  covered  with alfactory receptors  that  can detect  odor  molecules  in  the air  that is the  sense of smell, therefore they are the  noise  of  insects and some  arthropods

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