Answer:increased age of female is one of them. The other one is infectious hepatitis
Explanation:
The polymerase chain reaction makes DNA fingerprinting more reliable because it allows scientists to quickly make many copies of DNA the answer is C
The limit of ecosystems to give advantages to people, that is to give biological community administrations, gets from natural cycles of water, nitrogen, carbon, and phosphorus. These procedures have now and again been altogether altered by human movement. Changes have been quicker in the second 50% of the twentieth century than at some other time in recorded mankind's history.