Describe why converting between different units of measurement is important

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

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid