Students new to mineral identification often confuse shiny, dark-colored nonmetallic minerals for those minerals with a metallic luster. Explain how streak can be useful for telling these minerals apart
What will be an ideal response?
Answer: Metallic minerals generally have a dark-colored streak, whereas nonmetallic minerals generally have a light-colored streak.
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Prior to the Columbian Exchange, the only large domestic animals in the Americas used for work/protein were
A) dogs. B) dogs and llamas. C) dogs, llamas and horses. D) dogs, llamas, horses, and oxen. E) dogs, llamas, horses, oxen and pigs.
the deepest penetration by humans into the Earth's crust is a drill core about _______ kilometers deep.
a - 0.5 b - 12 c - 31 d - 6,702 e - 360
Glaze is not a common weather term in the U.S., but it is probably associated with weather forecasts of ________
A) ice storms B) blizzards C) snowstorms D) hail storms E) thunderstorms
A barrier island is typically separated from the mainland by a(n) ________.
A. fjord B. delta C. estuary D. lagoon E. surf zone