Study the diagram showing the range of temperature in the Earth’s layers. What does the diagram show about Earth’s interior? A the outter core is the hottest B The mantle is hotter than the outer core C The continental crust is the coolest region D The inner core is cooler than the lithosphere

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;

chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.