What age group is the smallest in the Philippines ​

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.

Queer theory emphasizes the idea of a single gay, lesbian, bisexual, heterosexual, or transgender identity. true or false