Beanie Eyelash is a celebrity who does not have a widows peak, while Chris Hemsworth is a celebrity who does. What is a widows peak an example of? A polygenic traits
B single allele genotypes
C polygenic genotypes
anyone knows whats the answer for this!

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.

airlines i think? or a cruise boat? does this work out for u? ?

i believe the answer is snake.

a bird that nests only in a particular tree species.