Is the synthesis of ozone, O3, from oxygen, O2, an example of an exothermic or endothermic reaction?
A) exothermic because ultraviolet light is emitted during its formation
B) endothermic because ultraviolet light is emitted during its formation
C) exothermic because ultraviolet light is absorbed during its formation
D) endothermic because ultraviolet light is absorbed during its formation
D
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Shifting cultivation is most commonly found in which climate region?
A) humid low-latitude B) dry C) warm mid-latitude D) cold mid-latitude E) undifferentiated Highlands.
Whale falls support a large community of organisms including sharks, crabs, and bacteria.
Answer the following statement true (T) or false (F)
The blood-brain barrier is permeable to which of the following species?
A) oxygen B) carbon dioxide C) glucose D) all of these
Both P-waves and S-waves can pass through ________.
A. brittle zones B. solid rock and liquids C. elastic zones D. liquids E. solid rock