From science to arts, IDNLearn.com has the answers to all your questions. Join our community to receive prompt and reliable responses to your questions from experienced professionals.
19. place moth balls in the closet and observe after several days.
20. whenever wax or a candle burns it turns from solid to liquid but again at room temperature it turns to solid
21. evaporation, condensation, precipitation
22. it produces new substances
23. vinegar Bubbles when baking soda is added
24. steam