What type of reaction occurs when fumarate is converted to malate in step 7 of the citric acid cycle?
A) dehydration
B) hydration
C) oxidation
D) reduction
B
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Which of the following is NOT an indicator of current climatic warming?
A) Rising sea levels B) Increased tropospheric, land, and ocean surface temperatures C) Melting glacial ice and sea ice D) Decreases in relative humidity
The current distribution of soccer demonstrates that
A) a folk custom can become part of a popular culture. B) all sports are examples of folk culture. C) television has infused all sports into popular culture. D) American football is also an example of a folk culture. E) sport is more important in less developed countries.
In a given area where you have little knowledge of the local geology (rocks types, fossils, etc.), what type of unconformity would be the most difficult to recognize in an exposed sequence of rocks? Why?
What will be an ideal response?
In the United States, total deaths from lightning per decade have ________ since the 1940s.
A. been insignificant B. remained about the same C. been increasing steadily D. been decreasing steadily E. fluctuated widely