Examlex
The following questions refer to comparative concentrations, permeabilities, and potentials under various circumstances. Match the relationship between the two items, A. and B.., with the qualifications labelled a. through c. (Options may be used more than once or not at all.)
-a.concentration of Na⁺ in the extracellular fluid
B.concentration of Na⁺ in the intracellular fluid of a resting nerve cell
Abundant Elements
The most common elements found in the Earth's crust, atmosphere, or oceans.
Universe
The totality of all space, time, matter, and energy, including galaxies, stars, and planetary systems.
Silicate Mineral
Minerals composed of silicate groups, the most abundant class of minerals in the Earth's crust, containing silicon and oxygen.
Continental Crust
The thick, buoyant part of the Earth's crust that forms the continents; it is generally older and more complex than oceanic crust.
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