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They created the valleys because they pulled them downstream
Letter E is the correct answer.
During the 1840, Hispanics lost ownership of large areas of lands in California. The Treaty of Guadalupe Hidalgo (1848) marked the end of the Mexican-American War, which forced Mexicans to give up on 55% of their territory. The huge chunk of territory added to the United States corresponds to not only California but also Arizona, Colorado, Nevada, Utah, Wyoming and New Mexico.
The correct answer is D. Bees are a biotic factor that positively affects flower populations.
Explanation
Biotic and abiotic factors are the living (biotic) and non-living (abiotic) physical and chemical components in ecosystems. These two influence the survival and reproduction of ecosystems. Therefore, bees are a biotic factor that affects the population of another biotic being (flowers). So the correct answer is D. Bees are a biotic factor that positively affects flower populations.
Duboise because they were Portuguese
