Answer:
Gamma rays
Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.
B) Its territory was too vast to defend
hope this helps
Just name 3 things that aren’t living, like rocks, etc in your local area!! I hope that makes you understand! ^-^
Its spread mainly because of the pest rats and also fleas