Compare and contrast the igneous rocks basalt and granite in terms of texture and composition. What will be an ideal response?
Granite is a coarse-grained felsic rock. It cooled slowly from magma underground. Like
basalt, it is rich in silica, but it has more aluminum, giving it a lighter color.Basalt is a fine-grained extrusive igneous rock rich in iron and magnesium (mafic).
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What additional information should you evaluate when reading textbooks?
A. The qualifications of the author to write about the subject B. Where the information came from C. Any bias on the part of the author that might sway the presentation of the facts D. All of these points should be considered.
Isotonic saline is 0.89% NaCl (w/v). Suppose you wanted to make 1.0 L of isotonic solution of NH4Cl. What mass of NH4Cl would you need?
A) 1.6 g B) 8.1 g C) 8.9 g D) 54 g
Most caverns are created when rock is eroded:
a. just below the water table. b. in the intermediate zone. c. in the zone of aeration. d. in an aquiclude. e. by infiltration.
_______________ was an early wave of globalization that changed the planet and shaped most of the world's current political borders.
-Trading along the Silk Road -The bubonic plague -The discovery of the Americas -The Roman Empire -European colonialism