Question

4) is a major dissolved volatile constituent in both magmas and volcanic gases. A) Water B) Carbon monoxide C) Hydrogen chloride D) Methane 5) Which one of the following shows the correct order (left to right) of decreasing magma viscosity? A) rhyolite, andesite, basalt B) andesite, rhyolite, basalt C) basalt, rhyolite, andesite D) basalt, andesite, rhyolite 6) Why do magmas rise toward Earth's surface? A) Magmas are more viscous than solid rocks in the crust and upper mantle. B) Most magmas are richer in silica than most crustal and upper mantle rocks. C) Magmas are mainly liquid and contain dissolved fluids such as water, most are less dense than the adjacent solid rock. D) all of the above fonamented ropy surface?

Answer 1

is a major dissolved volatile constituent in both magmas and volcanic gases. Answer :- A) water. I water is a major dissolved volatile constituent in bath magmas and volcanic gases. ] (5 which one of the following shows the connect order (left to right) of decreasing magma viscosity? Answer :- A) rehyolite, andesite, basalt. 6 Why do magmas rise towards Earth's surface? Answer: el magmas are mainly liquid and Contain dissolved fluids such as water, most are less dense than the adojacent solid rock.