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The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates
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Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.
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The variation among individuals, on which natural selection acts
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Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen
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What are three NASA Spin-Offs that are featured here?...
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