The dimension of length in singular momentum is
1,-1,2,-2​

Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

This is the substance(s) formed in a chemical reaction.