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.

Environmental & Atmospheric Sciences

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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

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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

Environmental & Atmospheric Sciences

A barrier island is typically separated from the mainland by a(n) ________.

A. fjord B. delta C. estuary D. lagoon E. surf zone

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences