If you were born with a genetic disorder that caused you to lack memory b cells, which of the following would be true?

vaccination would prevent further disease.
vaccination would not prevent further disease.
you would not produce antibodies.
you would overproduce histamine.

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

Ducks and beavers both have webbed feet

Which factor most likely caused animals and plants in india to differ greatly from species in nearby southeast asia?