In 1952, biologists Alfresco Hershey and Martha Chase performed experiments proving that DNA was the genetic material responsible for heredity. In which of the following ways did their discovery change society?

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.