In one sentence, how would you explain systems thinking to someone who has not heard of this concept ?

How can a person  best  reduce the risk of injuries on the road?  

During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge

1. evaluate your personal strengths. what activities and skills are you particularly good at? what do you think self-esteem is? why is having positive self-esteem important? how do the strengths you identified for yourself relate to your self-esteem? (5 points)