How does the nitrogen cycle over lap with the carbon cycle?

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?

Actual age your first developed of age well comparison age refers to absolute age true or false

Long term exposure to waves can cause sunburns and skin cancer.