If one were to "adjust the computers program", how would that be done? What does that mean? Give an example.

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

Read this excerpt from the call of the wild by jack london. the encouragement buck gave the rebels led them into all kinds of petty misdemeanors. no more was spitz a leader greatly to be feared. the old awe departed, and they grew equal to challenging his authority. pike robbed him of half a fish one night, and gulped it down under the protection of buck. another night dub and joe fought spitz and made him forego the punishment they deserved. and even billee, the good-natured, was less good-natured, and whined not half so placatingly as in former days. buck never came near spitz without snarling and bristling menacingly. in fact, his conduct approached that of a bully, and he was given to swaggering up and down before spitz's very nose. who is the antagonist in this excerpt? buck is the antagonist because he has started a rebellion. spitz is the antagonist because the others are rebelling against his leadership. dub and joe are the antagonists because they attack spitz. billee is the antagonist because he refuses to cooperate with the others.

Which factors threaten the forests of north america?