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Identify and describe the four stages of the demographic transition model.

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

Which phrase describes the time it takes for a planet to make a complete rotation

Countries trade with each other because resources are not evenly distributed across the globe. true or false