Ancient Civilizations
Arturo Montero is an ___________ (he studies archeological artifacts to understand what ancient civilizations understood about the stars and sky.)
archeoastronomer
A _________ is an upward-growing mound of mineral deposits that have precipitated from water dripping onto the floor of a cave.
stalagmite
A _______ is an icicle-shaped formation that hangs from the ceiling of a cave and is produced by precipitation of minerals from water dripping through the cave ceiling.
stalactite