PLEASE HELP! ASAP!

Here's the question for the second picture...
"Which answer choice would be the BEST label for the process shown below?"

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

In what for do plants utilize nitrogen? why do they need nitrogen?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas