Background: Alpine tundra occurs at high enough altitude at any latitude. Portions of montane grasslands and shrublands ecoregions worldwide include alpine tundra. Large regions of alpine tundra occur in the North American Cordillera, the Alps and Pyrenees of Europe, the Himalaya and Karakoram of Asia, the Andes of South America, and the Eastern Rift mountains of Africa.Alpine tundra occupies high-mountain summits, slopes, and ridges above timberline. Aspect plays a role as well; the treeline often occurs at higher elevations on warmer equator-facing slopes. Because the alpine zone is present only on mountains, much of the landscape is rugged and broken, with rocky, snowcapped peaks, cliffs, and talus slopes, but also contains areas of gently rolling to almost flat topography.Averaging over many locations and local microclimates, the treeline rises 75 metres (245 ft) when moving 1 degree south from 70 to 50°N, and 130 metres (430 ft) per degree from 50 to 30°N. Between 30°N and 20°S, the treeline is roughly constant, between 3,500 and 4,000 metres (11,500 and 13,100 ft).

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had more alpine tundra?
Answer: Redland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had less alpine tundra?
Answer: Brownland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had fewer montane grasslands?
Answer: Brownland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had more montane grasslands?
Answer: Redland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had more shrublands ecoregions?
Answer: Redland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had fewer shrublands ecoregions?
Answer: Brownland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had no alpine zone climate?
Answer: Brownland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had an alpine zone climate?
Answer: Redland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had a lower treeline?
Answer: Redland

Situation: Redland and Brownland were two countries situated at different latitudes. Redland was located at 70 degrees N, while Brownland was much further south, at 30 degrees N. Brownland had no mountains, only a few hills under 1000 ft.

Question: Which country had a higher treeline?
Answer: Brownland

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied more about alpine tundra?
Answer: Pam

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied less about alpine tundra?
Answer: Alice

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied less about portions of montane grasslands?
Answer: Alice

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied more about portions of montane grasslands?
Answer: Pam

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied more about portions of shrublands ecoregions ?
Answer: Pam

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied less about portions of shrublands ecoregions ?
Answer: Alice

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied less about the North American Cordillera?
Answer: Alice

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied more about the North American Cordillera?
Answer: Pam

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied more about the Andes of South America?
Answer: Alice

Situation: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50°N), while Alice studied about lower latitudes (30°N to 20°S).

Question: Which person studied less about the Andes of South America?
Answer: Pam

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned more about montane grasslands?
Answer: Gill

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned less about montane grasslands?
Answer: Ann

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned less about shrublands ecoregions?
Answer: Ann

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned more about shrublands ecoregions?
Answer: Gill

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned more about high-mountain summits?
Answer: Gill

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned less about high-mountain summits?
Answer: Ann

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned less about rocky, snowcapped peaks?
Answer: Ann

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned more about rocky, snowcapped peaks?
Answer: Gill

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned more about rocky, snowcapped cliffs, and talus slopes?
Answer: Gill

Situation: Gill and Ann were two fellow botanists. Gill studied alpine tundras extensively, while Ann studied tropical forests. They both discovered very interesting facts about nature and plants.

Question: Which person learned less about rocky, snowcapped cliffs, and talus slopes?
Answer: Ann

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read more about montane grasslands?
Answer: Pete

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read more about shrublands ecoregions worldwide?
Answer: Pete

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read less about shrublands ecoregions worldwide?
Answer: Laura

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read less about the North American Cordillera?
Answer: Laura

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read more about the North American Cordillera?
Answer: Pete

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read more about the the Alps?
Answer: Pete

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read less about the the Alps?
Answer: Laura

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read less about montane grasslands?
Answer: Laura

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read less about the Pyrenees of Europe?
Answer: Laura

Situation: Pete and Laura were learning about Earth's vegetation. Laura read about savannas and subtropical vegetation, while Pete read about alpine tundras.

Question: Which person read more about the Pyrenees of Europe?
Answer: Pete

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had more alpine tundra vegetation?
Answer: Icelandia

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had less alpine tundra vegetation?
Answer: Uganda

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had fewer montane grasslands?
Answer: Uganda

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had more montane grasslands?
Answer: Icelandia

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had more shrublands ecoregions?
Answer: Icelandia

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had fewer shrublands ecoregions?
Answer: Uganda

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had a higher timberline?
Answer: Uganda

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had a lower timberline?
Answer: Icelandia

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had larger regions of alpine tundra?
Answer: Icelandia

Situation: Two countries from the same continent have very different climates. Icelandia, located at 70°N latitude, and Uganda, situated just south of 30°N, Icelandia was mostly flat, had a few mountains under 1,000 ft, but Uganda had a mountain range with peaks just under 3,000 ft.

Question: Which country had no regions of alpine tundra?
Answer: Uganda