How are the particles in matter organized

You can melt ice by applying pressure because the solid/liquid line has a slope.

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above

Which of the following describe possible scenarios? a) an object has zero instantaneous velocity and non-zero acceleration. b) an object has negative acceleration and is speeding up. c) an object has positive acceleration and constant velocity. d) an object has positive velocity and zero acceleration. e) an object has increasing positive position and negative velocity. f) an object has decreasing positive position and negative acceleration.