When you start removing details that are unimportant in a visual aid, what criteria for visual aids are you applying? select all that apply?

 Be focused and Keep it simple

Simplicity is the appropriate word or criteria in using visual aids. Removing details that are unimportant in a visual aid makes it simple.  The more simple it is, the more focused the audience will be, and the most probable that they will understand the presentation. 

[content deleted] - user123802726recklesschicken

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.