how do magnetic stripes show the history of earth's magnetic field?
a. as you move away from a coast, the rocks get younger.
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b. as you move away from an ocean ridge, the rocks get older.
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c. as you move eastward along a continent, rocks get older.
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d. as you move down through the seafloor, rocks get older.
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Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

What will a hypothesis become if supported by repeated expermentation

Compare the two theories regarding the evolution of dinosaurs and then consider the cladogram above. although the two theories differ on the evolutionary path of dinosaurs, they agree that