Aprimary purpose of conducting a hazardous materials exercise is to find out:

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

  the mississippians were considered to be  horticulturalists, which means they were

Which of the following is not true about the atomic model of substances?