Which process creates food for plants in order to maintain homeostasis? breathing cell division cellular respiration photosynthesis

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

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

Is a chemical message sent by another individual.