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Which gas prevents the spread of fire and extinguishes it? is a type of compressed gas that prevents the spread of fire and extinguishes it.
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Why does competiton happen? a: different organisms have different needsb: there are limited resources in an ecosystemc: there are no predators in an ecosystemd: organisms do not need the same resources (i think it's b but i'm not sure)
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Why should the light be dimmed when looking at living (nearly transparent) cells?
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Biology, 23.06.2019 07:00
Which of these outcomes is a positive effect of ecotourism on the environment
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Where does a 'thought' go when forgotten...
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