Global Land-Ocean Temperature Trends,1880-2015

question 5

Multiple Choice

Global land-ocean temperature trends,1880-2015.The graph shows change in global surface temperatures relative to the 1951-1980 global average.The gray bars represent uncertainty in the measurements.Note the inclusion of both annual average temperature anomalies and 5-year mean temperature anomalies;together,they give a sense of overall trends.[Based on data from NASA/GISS;available at http:// climate.nasa.gov/vital-signs/global-temperature/.]

Since 1880,global land-ocean temperatures have shown

• A)a warming trend.
• B)a cooling trend.
• C)an oscillation between warming and cooling.
• D)a cooling trend until 1950,then a rapid warming trend.
• E)no trend.

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Sentences that make a statement or express an opinion or fact, typically in a straightforward and unequivocal manner.

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commands or instructions given with authority, often used in legal, professional, or organizational contexts.

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