Which processes produced heat that contributed to the formation of Earth’s different layers

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

In a system, when potential energy decreases, then entropy also decreases. true false

What occurs during a combustion reaction