What three factors affect the biodiversity of an ecosystem

Ineed with a, b, c, d, and e on the long answer

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

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