Each of the space shuttle’s solid rocket motors burns 680,400 kgs of propellant in 2.5 minutes. how much propellant does each motor burn in 2 minutes?

they disappear if your absent from to long. i found out that the hard way.

step-by-step explanation:

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answer: #1 ads up by 8 and i don't know #2

the value of x is 28.2

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.