Know what the Arctic tundra is — a vast, treeless landscape with permafrost (permanently frozen ground) just below the surface, a very short growing season in summer when mosses, lichens, and tough grasses burst into life, and home to cari…
A first look
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Question 1 of 3
Which sentence correctly describes the Arctic tundra?
Question 2 of 3
Jon is writing a story about a cold place where the soil under the surface stays frozen all year except for a thin top layer that thaws in summer. He needs a sentence that explains why no trees grow there. Which sentence is correct?
Question 3 of 3
Why can’t trees grow in the Arctic tundra?
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