The distance, d, in miles that a person can see to the horizon can be modeled by the formula d = where h is the person's height above sea level in feet. To the nearest tenth of a mile, how far to the horizon can a person see if they are 100 feet above sea level? Round your answer to the nearest tenth of a mile.

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step-by-step explanation:

2.83941151 would be the answer you're looking for! : )

large crystals result from very slow cooling.

evaporation of water: this would produce an evaporite which is a sedimentary rock. like a salt pan in a desert. not possible to have volcanic rocks originate this way.

crystalization in molten earth: slow cooling over time. (hundreds to millions of years)

crystalization at earth's surface: this results in fast cooling. (a few hours to a few months or years)

crystalization from cooling off hot water: that would be a hydrothermal deposit. while associated with volcanics they are not volcanic rocks themselves and usually occur fairly rapidly.