In which of the following did engieneers make advantages in tang and song china?   someone i need this !

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f

What is a shocking irony about the villagers in the lottery

What does the country say concerning the status of free blacks living in the united states? a) they have the same rights as any other "free" people, and are full citizens. b) they have the same rights as any other "free" people, but are not properly citizens. c) they are citizens, but don't have the full rights granted to other citizens. d) they are not citizens, and have no right to petition the court.