Find the value of x in the following reaction by determining the number of neutrons released when Plutonium-239 absorbs a
neutron and undergoes fission.
234 Pu + in 18% Ce+ Kr + zón
X

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

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.