What does a non-linear curve on a distance-time graph indicate

Hyperextension vends a joint in the opposite directions as flexion. true or false

Anyone who can chat with me right now? i m very bored.

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly