Geography, 09.07.2019 14:30 sparksjesse2830
Which information can be determined using half-life? 1)age of material 2)type of particle released 3)percentage of rock that has aged 4)number of radioactive particles left
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About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii
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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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Which two nations are doing the most to combat their environmental issues?
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Geography, 24.06.2019 06:00
Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.
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Which information can be determined using half-life? 1)age of material 2)type of particle released...
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