Why is calcite not common in the igneous rock exposed at Yosemite ...

[laurencescou]

Why is calcite not common in the igneous rock exposed at Yosemite National park?
 
  A) Calcite isn't found anywhere in California.
  B) Calcite is too strong to melt in magma, later becoming igneous rocks.
  C) Magma is formed beneath the earth's surface which primarily contains heavier minerals like silicates, not calcite.
  D) Calcite can only be in sedimentary rocks.

Question 2

The lava at Kilauea volcano in Hawaii moves down slope at speeds of 1-10 meters per second; fast for a lava flow. What could account for this?
 
  A) The lava is spewing out of the cone at fast speeds.
  B) The lava is more thin.
  C) The lava is very thick.
  D) The slope is steep.

[nhea]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[laurencescou]

Gracias!

[xiaomengxian]

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