Ear wax, which is produced in the external auditory canal, contains chemicals that guard the ear from infections. Please select the best answer from the choices provided t f.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

hope this :

answer would be option a) they have mobile charged particles.