What do you do at an ingress?

By December 15, 1791, the states had ratified the first 10 amendments to the Constitution, known collectively as what? What is a poem or stanza of four lines called? Crudites are vegetables served in what way? By definition, what does a carnivore eat? By definition, ungulates are mammals with what? What does your AM radio modulate? Complete the title of the 1938 Dr. Seuss book "The ___ Hats of Bartholomew Cubbins." Which Latin phrase means "for each person," as in income divided by population?