Ellie is visiting the Grand Canyon on her summer vacation Everyone in her tour group marvels at the different rock layers and colors within the canyon A lot of them are wondering, "Why do the layers vary in color" How could Olive use the scientific inquiry process to find out? Check all that apply She could research what geologists have already discovered about the canyon She could match the colors with those of other objects at home She could hike into the canyon and make observations of the rocks in each layer She could ask other visitors what they think about why tile colors vary She could compare her observations of the rock layers to other rock layers in the area

She could research what geologists have already discovered about the canyon.

She could hike into the canyon and make observations of the rocks in each layer.

She could compare her observations of the rock layers to other rock layers in the area

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a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.