What does each of the facts shown above tell you about the element

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?

Explain why you think this diagram shows what happened to the carbon in the biodome.

Why is the use of carbon-14 limited