Even though he has a nice singing voice, Kevin still believes he is a terrible singer because his first grade teacher told him he couldn't sing well. This is an example of how shapes our self-concept.

criticism and hurtful words

Explanation:As humans, we are easily affected by what people say. Word have power to make or Mar someone,. It has power to build and destroy. We should learn to use words because children especially takes words to heart, they believe in it and start shaping themselves or believing the negative or positive words spoken about them

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.

answer; the region experienced a surplus of food;