Brendan’s uncle uses a dialysis machine each week. Since Brendan’s uncle’s kidneys are not working properly, the machine does most of their work for them. What do you think happens when a person’s kidneys are not working properly?.

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.