Write an essay on acid rain in which you discuss its sources, its effects, and the efforts that have been made to reduce the amount of pollutants that cause it
What will be an ideal response?
Formation: incomplete combustion releases sulfur dioxide and nitrogen oxides, which are converted to nitric acid and sulfuric acid. Multiple effects (see focus study 3.2).
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What does this welded texture indicate about the formation of this rock?
A) It formed from an explosive pyroclastic eruption.
B) The rock solidified at great depth.
C) The magma formed some crystals before rising closer to the surface and solidifying.
D) The magma had abundant dissolved gas.
The three types of metamorphism are ____________________, ____________________, and
____________________. What will be an ideal response?
Which of the following minerals is often found in evaporite deposits?
a. gypsum b. quartz c. plagioclase d. kaolinite
Centuries ago quarrymen learned that when quarrying granite it was usually easiest to break the rock along a nearly horizontal surface. We now know this arises because ________
A) it was a false observation; the quarrymen in those days couldn't measure resistance, and it just seemed easier to wedge blocks of this type B) chemical weathering of granite makes the material expand, pulling it away from the underlying rock C) uplift and exhumation of granites produces an unloading, which produces sheeting joints like the quarrymen used D) frost wedging for hundreds of thousands to millions of years have produced cracks parallel to the ground surface