Calculate the concentration of a sample which the wavelength reading is 60 and standard wave length reading is 80 with concentration of standard as 1 00mg/100ml using the standard concentration of 50 - 70mg/100ml 60 80mg/100ml 70 - 90mg/100ml 80 - 100mg/100ml

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

where’s the list ? the question is incomplete