The image below shows a model of the atom. Which subatomic particle does the arrow in the image below identify

Which feature of a heating curve indicates a change ofn state

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

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.