This diagram shows rock formations forming. Which statement describes one or both formations?

Formation 2 is an extrusion.
Formation 1 is an intrusion.
Formations 1 and 2 are faults.
Formations 1 and 2 are igneous rock.

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.