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Q1: The purest form of water containing the
Q4: Between 30°-60° north latitude,wind currents typically blow
Q12: An animal has a very thin layer
Q28: In temperate deciduous forest,light penetration to the
Q46: If infant mortality rates are declining,how can
Q53: Which of the following statements is not
Q53: The process of using energy from the
Q56: A group of local subpopulations is called
Q58: Because a direct count of all individuals
Q72: Variation within and among species would increase