Which subatomic partial undergoes beta decay and ejects an electron?

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays

What relationship exists between an enzyme and a catalyst?