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Geography, 23.06.2019 11:10
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
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Geography, 23.06.2019 11:30
Fertility and mortality rates are higher in more developed nations.
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Geography, 23.06.2019 12:50
Suggest 3 different reasons why there is an ageing population in the uk .
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