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The average temperature in winter ranges from -40°C (-40°F) to 20°C (68°F). The average summer temperatures are usually around 10°C (50°F). The coniferous forest is sandwiched in between the tundra to ...

Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...

The most valuable fossils found in sediment cores are from tiny animals with a calcium carbonate shell, called foraminifera. One species of foraminifera lives in the icy waters of the Arctic above ...

Among the first things the data revealed was a definite seasonal difference in cloudiness over the polar regions. Cloud fraction (the fraction of the area in a map’s grid box covered by cloud) over ...