What kind of weather can you expect with a low pressure-system? how does the density, humidity, and air motion compared to that of a high-pressure system

What is the cellular process that releases the energy stored in food molecules

Which of these conditions most likely produces an unstable isotope?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules