When is it acceptable to touch ready to eat foods with bare hands?

How can you tell the difference between rough er from smooth er?

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.

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance