Answer:
the left one where the dna is labeled in the center with the wacky string
I'm not sure of this question, yet i know you may get angry but, just know your loved and if going threw a hard time i'm so so sorry, i know how it feels it sucks. take care of yourself, drink water, listen to that one song that makes you dance in your room and go do what YOU love. your beautiful your perfect and dont listen to what anyone says. i love u, everyone loves u, i know its scary but it happens to everyone life isnt a peice of cake unfortunatly and it sucks but woahh your strong! if you need someone to talk to leave a comment below, happy hoildays everyone!
the negative impact is that the air will get polluted and also that we will have less trees so less oxygen since they will be building more structures and factories and plenty of other stuff, that will lead to chopping up plenty of trees.