| Agriculture, Forestry & Soils |
Q: Assuming that Fuel Cell automobiles are the most likely candidates to replace the internal combustion engine, can our forests reduce the CO and CO2 in our atmosphere, or is it too little - too late?
A: Regrowth of forests can indeed speed up the removal of CO2 from the atmosphere.
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| Astronomy, Space & Science |
Q: Is Pluto a planet? What characteristics does it need to be considered a planet?
A: In 1992, it was discovered that Pluto (along with its satellite Charon) was not the sole object in the region beyond Neptune, but merely one of a large population of icy bodies called the "Kuiper Belt." The discovery of the Kuiper Belt sparked a debate on whether Pluto should still be classified as a planet. In the end, the debate boils down to a matter of personal opinion, for there is no official definition of a planet. From a scientific point of view, Pluto is best understood as a Kuiper Belt Object, since it shares the same origin and evolutionary history as other bodies in the Kuiper Belt.
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| Physics |
Q: Why do particles in matter move?
A:
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