question 49\n1 pts\nthe viscosities of magmas ________ with increasing percentages of silica.\ndecrease\nare…
question 49\n1 pts\nthe viscosities of magmas ________ with increasing percentages of silica.\ndecrease\nare unrelated\nincrease
Answer
Answer:
C. increase
Brief Explanation:
Silica - rich magmas have more complex molecular structures, which lead to higher resistance to flow and thus higher viscosity.