Arctic Tundra Polygons - (Reading > Information)

Decide which paragraph, (A) to (D), has the information given in each statement below. Select (E) if the information is not given in any of the paragraphs.

1...... - The formation of tundra polygons involves a seasonal process of expansion and contraction. 2...... - Indigenous peoples use their knowledge of polygon terrain for survival purposes. 3...... - Scientists can determine past atmospheric conditions by examining ice wedges. 4...... - Tundra polygons typically measure between 10 and 30 meters across. 5...... - The changing structure of polygons may contribute to increased greenhouse gas emissions. 6...... - Different plant species thrive in various parts of the polygon formations. 7...... - Satellite technology has revolutionized the study of Arctic ecosystems. 8...... - Tundra polygons are primarily found in the southern hemisphere. 9...... - Arctic wildlife populations have declined significantly due to polygon degradation.