The cerebrospinal fluid is OA) secreted by the hypothalamus
B) a filtrate of the blood
C) cytosol secreted from ependymal cells
OD) a secretion of glial cells
a

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.

The largest unit within which gene flow can readily occur is a

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping