And office employee working in a payroll department uses a customized program to log hours employees have worked. the customized program is an example of a.) hardware b.) software

Ican’t open these when it’s just a comment. someone pls explain why this is happening

Landslides often accompany earthquakes and volcanoes and pose an additional threat to humans after these events. true false

Which of the following exceptions could occur when the following code is run, if the precondition is met? // precondition: a is not null public string dosomething(arraylist a, int b) { int i; string s; for (i = 0; i < = a.size(); i++) { s = (string)(a.get(i)); if (s.length() == b) { return s; } } return null; }