Acar slowing down for a stop sign is an example a- negative speed b- positive acceleration c- positive speed d- negative acceleration

The answer would be D, negative acceleration

D-negative Acceleration

The answer is going to be c

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.