Why do teachers think they know everything?

47. a student is frightened by a loud noise, which results in a hormone being released into the blood. the hormone causes the student's heart to beat rapidly. the two systems that work together to cause this reaction are the endo- crine system that secretes the hormone and the (1) nervous system (3) excretory system (2) reproductive system (4) digestive system

There were 395 lemon ice cups at the snack shop. people bought 177 ice cups how many lemon ice cups are still at the snack shop

Какие народы относятся к числу коренных обитателей кубанских земель? носителями каких языков они являются?