Which is an example of glass ceiling ?

 The glass ceiling is the concept that are basically define by the the commission of the glass ceiling. It mainly explain about the unreachable barrier which prevent the women and minorities from reach to the upper position.

This glass ceiling is the type of barriers for the minorities level people and women so that they do not raise their voice and rise in the cooperate sector and education sector.

The one of the example of glass ceiling that in the corporate world the women and the minorities create a invisible barrier where the women can see the dreams but cannot fulfill it.

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.

i believe it would be c: tons.