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i think b and c. but not sure what the third is? only 70% sure.
Explanation:
Answer:
B. Plants in the desert would have a decreased number of stomata compared to rainforest plants.
It might involve changing to survive different temperatures such as when lakes freeze over or a lake is too hot.
True, pulmonary arteries carry the blood from the heart, while pulmonary veins return the blood to the heart.
Answer:
Mountain lands provide a scattered but diverse array of habitats in which a large range of plants and animals can be found. At higher altitudes harsh environmental conditions generally prevail, and a treeless alpine vegetation, upon which the present account is focused, is supported. Lower slopes commonly are covered by montane forests. At even lower levels mountain lands grade into other types of landform and vegetation—e.g., tropical or temperate forest, savanna, scrubland, desert, or tundra.
The largest and highest area of mountain lands occurs in the Himalaya-Tibet region; the longest nearly continuous mountain range is that along the west coast of the Americas from Alaska in the north to Chile in the south. Other particularly significant areas of mountain lands include those in Europe (Alps, Pyrenees), Asia (Caucasus, Urals), New Guinea, New Zealand, and East Africa. The worldwide distribution of mountain lands is shown in Figure 1.
Figure 1: Worldwide distribution of mountain lands.
Explanation: