<span>An exothermic reaction is one in which heat is released from the reagents into the ambient environment. Perhaps somewhat counterintuitively, condensation is in fact an example of such a reaction. During the process of the gas-to-liquid phase change, water goes from a higher-energy to lower-energy state of matter, and, as such, releases heat into the environment.</span>
Answer is only B.
<span>it becomes more stable</span>
Answer:
terrestrial planets have a higher density than Jovian planets
Scientists use atomic mass units (amu) to measure atoms
