Which is the largest source of acid deposition?
A. coal burning power plants
B. trees
C. corn fields
D. oceans
Answer: A
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Those who are seeking to indefinitely or permanently immigrate must obtain a visa that will allow them to eventually ________, or to become a legal permanent citizen of the host country
A) migrate B) naturalize C) relocate D) win the green card lottery E) leave
The deepest trench in the world ocean is the:
1.Aleutian Trench. 2.Java Trench. 3.Mariana Trench. 4.Peru-Chile Trench.
Most batholiths ____
A)assimilate all country rock as they move upward B)form during a volcanic eruption C)are composed of obsidian and pumice D)have a pyroclastic texture and are usually small geological features E)were emplaced by forceful injection and stoping as magma moved upward
________ are characteristics of downcutting streams and a youthful stage of valley evolution.
A) Rapids and lots of whitewater
B) Meandering channels and natural levees
C) Wide floodplains
D) U-shaped, cross-valley profiles