There is no ( ) in time between the action and reaction

This is the complete sentence based on Newton's Third Law. There is no (period) in time between the action and reaction. The reaction force happens immediately that there is no gap in time. I hope this answer helps.

Nps pollution is caused by rainfall or snowmelt moving over and through the ground. nonpoint source pollution can include: excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. oil, grease and toxic chemicals from urban runoff and energy production