Which of these ideas would be the best course of action for decreasing land temperatures?

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?

What is thought to have caused the mass extinction at the end of the cretaceous period?

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16