The Pacific has a thinner layer of pelagic sediments than the Atlantic due to fewer rivers and an increase in trenches
Indicate whether the statement is true or false
True
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Calculate the temperature of the parcel at the following elevations as it rises up the windward side of the mountain.
Assume that a parcel of air is forced to rise up and over a 4000-meter-high mountain (as shown). The initial temperature of the parcel at sea level is 30°C, and the lifting condensation level (LCL) of the parcel is 2000 meters. The DAR is 10°C/1000 m and the SAR is 6°C/1000 m. Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.
(a) 1000 m __________ °C
(b) 2000 m __________ °C
(c) 4000 m _________ °C
Which type of volcanic material will dominate the eruptions along a continental volcanic arc?
A) Mafic lavas B) Lavas of intermediate or felsic composition C) A mix of felsic and ultramafic lavas D) Felsic lavas
In the 1906 San Francisco earthquake, much of the damage was due to fires because ________
A) water lines were badly damage so that firemen could not put out the fires B) electric power lines fell and caused sparks that started fires C) the shaking caused gas lines to rupture everywhere and these ignited to cause huge fire storms in the city D) a cow kicked over a lantern in a barn and started the fires
In accordance with Charles' Law, a gas under constant pressure will ________ when ________.
A) contract; heated B) expand; cooled C) expand; heated D) keep the same volume; heated or cooled