WILL GIVE BRAINLIEST PLEASE HELP For each of the following potential energy diagrams calculate the activation energy the enthalpy of the reaction and determine if the reaction is endothermic or exothermic

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

Which example is a mechanical wave?     a.microwave    b.radio wave    c.water wave    d.ultraviolet light