The observatory at Mauna Loa has been recording atmospheric CO2 levels since 1958. Since 2015, the concentration of CO2 has consistently been higher than 400 ppm and is still climbing. True or false: Modern day CO2 levels are more than 100 ppm higher than they have been in the last 400,000 years. Temperature Anomaly Calculated from Hydrogen Isotopes |temps warmer than today temps colder than today 4 2 -2 -4 -6 -8 -10 -12 400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000 years before present Co, in Vostok Ice Core, Antarctica 310 290 270 250 230 210 190 170 400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000 years before present CO, level in bubbles Temperature, °C
The observatory at Mauna Loa has been recording atmospheric CO2 levels since 1958. Since 2015, the concentration of CO2 has consistently been higher than 400 ppm and is still climbing. True or false: Modern day CO2 levels are more than 100 ppm higher than they have been in the last 400,000 years. Temperature Anomaly Calculated from Hydrogen Isotopes |temps warmer than today temps colder than today 4 2 -2 -4 -6 -8 -10 -12 400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000 years before present Co, in Vostok Ice Core, Antarctica 310 290 270 250 230 210 190 170 400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000 years before present CO, level in bubbles Temperature, °C
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Question
True or False?
Transcribed Image Text:The observatory at Mauna Loa has been recording atmospheric CO2 levels since 1958. Since 2015,
the concentration of CO2 has consistently been higher than 400 ppm and is still climbing. True or
false: Modern day CO2 levels are more than 100 ppm higher than they have been in the last
400,000 years.
Temperature Anomaly Calculated from Hydrogen Isotopes
|temps warmer than today
temps colder than today
4
2
-2
-4
-6
-8
-10
-12
400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000
years before present
Co, in Vostok Ice Core, Antarctica
310
290
270
250
230
210
190
170
400,000 350,000 300,000 250,000 200,000 150,000 100,000 50,000
years before present
CO, level in bubbles
Temperature, °C
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