Why is the volume of irregular object measured by using a measuring cylinder

An observer that stands still as the electron moves by him, will observe

Drag each item into the proper state of matter category.

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above