A signal such as a phone call that is sent to a communications satellite by radio waves is called a/an

It would be called a modulation signal. Which is at the sending end, the information to be sent is converted by some type of transducer to a time-varying electrical signal.

it should be c, women were allowed to vote in all states because federal law supersedes state law.

"states can make their own laws, as long as they don't contradict what the federal law states. the states do not have the authority to pass a law that negates a federal law." -google