Which of these describes the function of the liver? a. store blood and disintegrate old blood cells b. add white blood cells to the blood stream c. store bile until needed for the digestion process d. form certain blood proteins, metabolize fats and carbohydrates

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.