Use the results of Demetri's experiment to explain why the color changed on some test strips but not others.

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 was the land like over 500 million years ago? what was under the sea?

Me the formula cacl2 represents the compound