Why do holes form in vesicular igneous rocks?
Some magmas contain large amounts of water vapor and other gases. These gases may be trapped in cooling lava where they form numerous small holes.
You might also like to view...
Species are more likely to become extinct if they
A. have both a low population density and reproductive rate. B. have both a high population density and reproductive rate. C. can survive in many different types of habitats. D. can travel over large areas.
Describe different ways in which anthropogenic activity can affect the energy balance
What will be an ideal response?
Which 19th-century scientist developed the following equation that determines the discharge of an aquifer?
A) Charles Lyell B) Alfred Wegener C) Louis Agassiz D) Henri Darcy
Which of the following locations is associated with a zone of upwelling for the Antarctic Bottom Waters (AABW)?
A. A B. B C. C D. D