Why is it important that matter is cycled through the environment rather than being created or destroyed?

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?

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata