A welded igneous texture indicates that
A. the rock broke apart as it flowed.
B. there was a lot of gas in the magma.
C. the ash and pumice were hot and became compacted.
D. the rock cooled quickly.
E. the rock cooled slowly.
Answer: C
You might also like to view...
Why are flash floods and sheet flows common in deserts? What do these events have to do with
erosion in the desert? What will be an ideal response?
Based on energy flow, what types of organisms are most abundant in the ocean?
1.dolphins, sharks, and other large predatory fishes
2.deep-sea bioluminescent fishes
3.small drifting organisms like those in the upper circular area
4.smaller drifting organisms seen in the lower circular area
Explain how a raindrop forms through the Bergeron process. How does it differ from the collision-coalescence process?
What will be an ideal response?
Conduction is the direct transfer of heat from one substance to another that is in contact with it.
Answer the following statement true (T) or false (F)