How do paragraphs 19-20 contribute to the development of ideas in the text? question 4 options: a they emphasize how little is truly known about how much energy people use and what they use it for. b they stress how complicated it is to get people who use a lot of energy to switch to energy-efficient products. c they show how understanding people and their energy-usage will lead to better energy-saving methods. d they support the claim that watching television is the biggest waste of energy in most households.

the teacher i would like to have must be a kind, caring and understandable teacher. she should be interactive with us and always plan fun activities to in our studies. she should be a teacher who would correct our mistakes when we do something wrong and guide us if we are weak. she should always be strict if we do something bad but must be praising us when we do something good. she she not take any as her favorite in her class but take everyone as her favorite.

(i hope this will u if there is something send me a reply)