The medium that carries message signals from senders to receivers of communication is

Which of the following is not permitted in a roundabout? a. using your turn signal b. following the rules of right-of-way c. driving at the speed limit d. changing lanes

Alife insurance salesman sells on the average 3 life insurance policies per week. use poisson's law to calculate the probability that in a given week he will sell 2 or more policies but less than 5 policies? i just require an answer.

Along with removing drugs from the body, the kidneys also a. balance ph levels b. release hormones that regulate blood pressure c. release hormones into the stomach d. a and b