Does changes that cannot be easily reversed, such as burning, observe the law of conservation of mass? explain.

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.