According to your data table, what traits do most living things have in common?

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Adilute aqueous potassium nitrate solution is

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit