What does a positive test for simple sugars look like?
ored
ogreen, red or orange
violet
brown

Green, red or orange

Explanation:

Benedict's solution is used to test for simple sugars, such as glucose. It is a clear blue solution of sodium and copper salts. A potion of sugar solution is added an equal amount of benedict's solution and heated to boil. In the presence of simple sugars, the blue solution changes color from blue to green, yellow, and red, depending on the amount of sugar.  When the solution turns to orange, it indicates that there is presence of reducing sugars.

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.