True, a person can have two conflicting attitudes.
DNA/fingerprints are all unique, therefor it is easy to match a fingerprint to a person thus they use this mechanism in criminal investigations because only one person woul have matching DNA to the prints on the scene, and that is the criminal.
Hope this helps :)
Loss of habitat from any number of causes is the main reason for species endangerment currently.
The answer that seems like would best fit this graph would be "(4)Years"
A lipid containing a phosphate group in it's molecule.