Answer:
I think they not interested to see a boy or girl
Therefore, in Doppler Effect only the frequency and wavelength are changes and the wave speed does not change
Difference between Alpha, Beta and Gamma Radioactive Decay. Difference between Alpha, Beta and Gamma radioactive decay can be summarized as follows: Alpha decay forms new element with two fewer protons and two fewer neutrons; Beta decay forms new element with one more proton and one fewer neutron.
Plant cells have a cell wall and cell membrane... Animal cells have a cell membrane but no cell wall
