Lava plateaus, such as the Columbia River Plateau, are formed from ________ magma which has a ________ viscosity
A) granitic; high
B) granitic; low
C) basaltic; high
D) basaltic; low
D
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In industrialized nations, the two most deadly sources of indoor pollution are ________
A) pesticides and cigarette smoke B) radiation from electronic equipment and pesticides C) synthetic furniture materials and radiation from electronic equipment D) radon and cigarette smoke E) pesticides and cleaning agents
The butyl group is obtained by doing which of the following?
A) removing a hydrogen atom from C-1 of butane B) removing a hydrogen atom from C-2 of butane C) removing a hydrogen atom from C-1 of 2-methylpropane D) removing a hydrogen atom from C-2 of 2-methylpropane
The properties of ductility, malleability, ability to conduct heat and electricity are characteristics of what type of material?
A) all elements B) metallic elements C) metalloid elements D) nonmetallic elements
The heart is an example of
A. a tissue. B. an organ. C. an organ system. D. both A and B