Fill in the missing symbol in this nuclear chemical equation.

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 rules of engagement (roe) working group is often used to (select all that apply.)

In which phase(s) do the molecules take the shape of the container?