Which lists only abiotic factors in this environment?

water, rock, soil, sun

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

What are the student's observations and inferences before he starts his investigation?

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.