Small molten weld pools are ____ large ones to drip.Group of answer choicesless likely thanas likely asmore likely thanmuch more likely than

Under which condition below would you expect a coarse-grained extrusive rock like dacite to form?A.Quick cooling of lava occurring underwaterB.Lava slowly flowing out of a fracture in Earth's surfaceC.25 km beneath Earth's surfaceD.Within a zone of fractured rocks below Earth's surfaceSUBMITarrow_backPREVIOUS

What would happen if the secondary flame is suddenly moved away from the molten weld pool?Group of answer choices​The pool will cool off.​The molten pool will not have any change because it takes a while for it to cool and become solid.​The torch flame may go out from the sudden movement.​The molten pool would throw off a large number of sparks.

Under which condition below would you expect a coarse-grained extrusive rock like dacite to form?A.Quick cooling of lava occurring underwaterB.Lava slowly flowing out of a fracture in Earth's surfaceC.25 km beneath Earth's surfaceD.Within a zone of fractured rocks below Earth's surfac

What type of deposit can form from the cooling of a lava flow? Group of answer choicesPumiceBasaltIgnimbriteAsh

A change in the number of sparks given off by the weld as it progresses can be used as an indication of ____.Group of answer choiceschanges in the weld temperaturechanges in the temperature of the atmospherechanges in the torch anglechanges in the flame size