6. Why Destroy Activity (1.000 points) Which of these is a possible reason why it might make sense to destroy the activity whenever the device is rotated? They display may have a completely different layout in a different rotation. O The application has updated the display. 7. Save State (1.000 points) From Lecture 3 slide set, slide 12 titled "What do we need to save?", which of these member variables do we need to save? displayval o stackVal display 8. Bad Practice (1.000 points) Which of these are considered bad practice? Hardcoded strings O Redundant Code 0