DNA (or deoxyribonucleic acid) is the molecule that carries the genetic information in all cellular forms of life and some viruses. Source-
DNA, Genes and Chromosomes — University of Leicester
www2.le.ac.uk/projects/vgec/highereducation/topics/dna-genes-chromosomes
Mitosis creates two identical daughter cells from one parent cell
The kidney or the liver one of those are correct you didn't give options
The reason why the electricity could decrease is because the population of the town’s people has gone down causing the electricity rate to decrease. Hope this helps you.