Representative is someone supports and non is someone that doesn’t help you
Well since there no multiple choice I will tell you about the generation going now. Throughout history people have been expanding the use technology and a problem that this generation is using the resource given to you. So a concern that I suggest is the expansion of resources. Although some people don't use this because some families believe technology is not what "God" made so they don't bother to use and pushes this onto there kids.
2KNO3 will be produced; I know somwone alredy answered the question but i want to confirm the question for the people who doubt it.