Within the , all of the Earth's other spheres work together. biosphere
troposphere
lithosphere
hydrosphere
atmosphere

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Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a.organisms would evolve to increase variety b.natural selection would operate faster c.less food would be available d.evolution through natural selection would not occur

Why did other countries want to have a part in what was occurring in southwest asia?