Question: What evidence would let a person know they had arrived in the tundra? Responses Most of the trees would have broad lees. Most of the trees would have broad leaves. There would be a rainstorm every afternoon. There would be a rainstorm every afternoon. The average temperature would be about 10°C (50°F) The average temperature would be about 10°C (50°F) Mosses would be the dominant plants growing. Need Assignment Help?