Which statement best describes the formation of igneous rocks? a. layers of dirt and other rocks are pressed together to form igneous rocks b. molten material cools and hardens to form igneous rocks c. elements in the earth form igneous rocks by compacting them together d. wind erodes mountains into small igneous rocks

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.