What are protons and neutrons

Which is an example of a highly unstable isotope that is often used in fission reactions?

Which of the following statements are incorrect?

How does a coronal mass ejection (cme) affect the solar wind? a cme adds more particles to the solar wind, intensifying it. a cme blocks the solar wind, causing it to fade. a cme does not affect the solar wind but it does affect auroras. a cme increases the amount of energy in the solar wind.