Census data show that the human population doubled from 2.65 billion in 1953 to 5.3 billion in 1990. If it continues to double at this rate, the human population could reach 10 billion by the year 2020. Which best explains how this rate of human growth can harm the environment on which humans depend?
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Although the two theories differ on the evolutionary path of dinosaurs, they agree that
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The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.
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Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus
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Census data show that the human population doubled from 2.65 billion in 1953 to 5.3 billion in 1990....
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