What do the Appalachian and Rocky Mountains have in common?

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

Where can you usually find the thesis of an informational text? (5 points)

Saving issues in current developments