Listening is an important skill for a leader because a leader has to know how to understand the needs and wants of the group. If a leader doesn’t listen then that leader is failing to represent the group.
The answer is B. chemicals.
the reason its b is because A= bacteria but u have to clean the bacteria in the water so its not A and its not c. becouse that will be just turning the ice into water .so the answer is b. becouse we use chemicals everyday to get rid of bacteria and waste
