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The oxygen in the atmosphere is primarily derived from plant respiration.
Q4: Roughly one half of the volume of
Q15: In 2015, which digital newspaper had the
Q41: Our earthly grid system is also referred
Q46: Within the magazine publishing industry, the department
Q56: In terms of biogeochemical cycles, calcium has
Q74: The Deepwater Horizon event was _.<br>A) a
Q78: Use the steps of the scientific method
Q88: Jungle is the type of vegetation found
Q101: If the axis of the Earth was
Q116: Which of the following best describes the