Which of the following is true about fossils? A. The relative age of fossils cannot be determined from their position in sedimentary layers. B. Fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. C. Fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. D. Fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

3test questions with answers on incomplete dominance