Nitrogen-fixing bacteria convert atmospheric nitrogen into forms of nitrogen that living things can use. select the best answer from the choices provided
a. true
b. false

True. 
Nitrogen-fixing bacteria converts atmospheric nitrogen into forms which plants can readily use. These microorganisms are essential in the nitrogen cycle. Nitrogen in the atmosphere is known to be inert or non-reactive. The nitrogen fixation process breaks the triple bond between the nitrogen making it usable in other processes. 

The moths will eventually become extinct