[填空题]
The image shows the ob3 (m8vv1kietml u42 rhserved5pc x;y a+laa8,ck*bc surface temperature change in the Northern Hemisphere from 1979 to 2019.
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1.State the name and source of the greenhouse gas primarily associated with the observed temperature increases.
Name:
Source:
2.Outline the process through which greenhouse gases increase Earth’s global temperatures.
3.The bar-tailed godwit (Limosa lapponica) nests and breeds on Arctic coasts and tundra and overwinters in the Southern Hemisphere. Predict how the increase in surface temperatures in the Northern Hemisphere may affect the survival of such a migratory bird.
