Most electrical power generation (except for solar) converts motion into electricity using a generator. the two required components for a generator are
a)
a turbine and a source of electrons to move.
b)
an armature free to spin and a permanent field magnet,
c)
a coil of wire and a magnet in relative motion to induce an electric current.
d)
two coils of wire connected by an iron core to create changing electric fields.

c

A generator uses electromagnetic induction to generate electricity. The essentials components are a coil of wire and a magnet in relative motion to induce an electric current.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.