A person's blood type is determined by the presence and absence of specific antigens on the cell membrane. Which of these would you NOT find in someone with type AB blood?
A)
A antigen
B)
B antigen
C)
no antibodies
D)
anti-B antibodies

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils