What aspect of igneous rock formation is best illustrated by crystal grain size? Explain the relationship between rock formation and grain size
What will be an ideal response?
Magma cooling rate is most closely related to crystal size in igneous rocks. A slow cooling rate results in large crystals, whereas a fast cooling rate results in small crystals.
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Pesticides blown from agricultural lands into the air is an example of ____________________ pollution
Fill in the blanks with correct word
Discuss the relationship between plate tectonics and the rock cycle. Provide examples of where various types of rocks
might be found in terms of plate tectonics. What will be an ideal response?
This is the driest region on Earth
A) the Sahara Desert of North Africa B) the Atacama Desert of Chile C) the Sonoran Desert of Mexico and the southwestern United States D) the Middle East
The viscosity of magma is lowered by ________.
A. increasing temperature B. decreasing SiO2 content C. decreasing crystal content D. All of these choices are correct.