I don’t get this question

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

Ineed an answer for this one (number 8)

Type the correct answer in the box. spell all words correctly. what regulations are provided to ensure that the physical location of a childcare center conforms to required regulations set by the respective governing body of that area? are provided to ensure that the physical location of a childcare center conforms to required regulations set by the respective governing body of that area.