Urgent write a letter to the "city council" ill give the brainiest and a bunch of point happens to pure substances and mixtures we create and use in our homes and businesses? as a material engineer you have been hired by your city council to investigate how to safely handle waste in your community. for example, household toxic waste (batteries, paint, cleaners), sewage, pesticides. research household carbon monoxide, lead, bleach, and paint to determine if they are a pure substance or a mixture. choose 1 pure substance example and 1 mixture example to compare and contrast in a presentation to the city council along with a plan for how each can be safely disposed of into the environment.