Tube well water is collecrted from strata

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What is the primary goal of human communities?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?