How can DNA be used to help solve a crime?

DNA can be used because you have skin cells, fingerprints and hair those can all be used to identify somebody. DNA can also be used to help solve a crime by identify who was present at the scene of the crime, DNA could possibly lead to the direct suspect.

Explanation:  By: Fingerprints, strands of hair, saliva, etc.

DNA can be used because of skin cells, fingerprints, and hair which all can be used to identify somebody.

hope this helps :)

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there

not 100% sure but i'm gonna say it's

retains water

fine grained

and is loose

your welcome

brainliest? (;