What type of silicate minerals is shown from this arrangement of silicon tetrahedron?
A. independent tetrahedra
B. sheets
C. double chains
D. frameworks
E. single chains
Answer: E
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The largest reservoir or store of phosphorus can be found in
A) atmosphere. B) biota. C) soils. D) oceans.
The most common and effective agent for transporting sediment is ____
A)wind B)waves and currents C)glaciers D)storms E)running water
The long-term effect of increasing ocean heat content is that it
A) contributes to global climate change by gradually raising air temperatures. B) causes a shrinkage of ocean volume, offsetting sea level rise. C) will cool the atmosphere and offset air temperature increases. D) will reduce the rate of melting of glaciers and polar ice caps.
Skin, hair, muscles, and enzymes are all made up of ________
A) organelles B) lipids C) proteins D) carbohydrates E) nucleic acids