If a neutral element has the following chemical symbol, how many electrons does it have? 
O
A. 18
B. 12
C. 24
D. 6
E. none of the above
Answer: D
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If a bare field and a forest are side by side, the field will usually have a higher maximum temperature on any given day
Indicate whether the statement is true or false
Most Asian migration to the United States is through the process of
A) expansion diffusion. B) brain drain. C) chain migration. D) undocumented immigration. E) global circulation.
In July, the hottest places on Earth occur in Southern Hemisphere subtropical regions
Indicate whether the statement is true or false
Deforestation of rain forests exposes tropical soils that are famous for their low fertility, despite the fact that they had previously hosted a lush tropical forest. Which soil type would describe these soils?
A) Andisols—young soils formed on volcanic ash and volcanogenic sediment B) Histosols—Organic soils with little or no climatic implications. Can be found in any climate where organic debris can accumulate to form a bog soil. Dark, partially decomposed organic material commonly referred to as peat C) Vertisols—Soils containing large amounts of clay, which shrink upon drying and swell with the addition of water. Found in subhumid to arid climates D) Oxisols—Soils that occur on old land surfaces unless parent materials were strongly weathered before they were deposited. Rich in iron and aluminum oxides, Oxisols are heavily leached, hence are poor soils for agricultural activity