Picric acid is always stored wet, often in glass bottles in water. If the crystals dry out, they can explode! Therefore, picric acid demonstrates high levels of
A) ignitability.
B) toxicity.
C) reactivity.
D) corrosivity.
C
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In a strong El Nino year, weather in the western Pacific tends to be
A. highly variable, extreme wet and dry cycles. B. wetter than normal. C. dryer than normal. D. normal, since El Nino's effects stay in the western hemisphere.
Define "location errors."
What will be an ideal response?
True or False: Movement along a dip-slip fault causes an abrupt vertical displacement of the ground surface called a fault scarp
Indicate whether this statement is true or false.
Magma tends to rise toward Earth's surface principally because ________
A) water is an abundant constituent of magma B) silica increases the viscosity of the magma C) rocks become less dense when they melt D) of convection in the mantle