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Miguel is sitting in his highchair at breakfast time. As if to drive his parents crazy, Miguel picks up each and every piece of food, from mushy peaches to crunchy Cheerios, and drops it onto the floor. Sometimes he drops just one piece, and sometimes he drops multiple pieces simultaneously, as though he wants to see whether there is a difference in the result. As he drops each piece, he carefully watches as it hits the floor. According to Piaget, Miguel is MOST likely to be at what age?
Pegmatite
An igneous rock containing very large crystals, which may be centimeters to meters long.
Igneous Pegmatite
A coarse-grained igneous rock composed primarily of large crystals, often containing rare minerals.
Magma
The molten or semi-molten natural material from which all igneous rocks are derived, located beneath the Earth's surface.
Welded Texture
A texture found in volcanic rocks, formed when hot volcanic ash and debris fuse together under pressure.
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