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tankabanditka [31]
2 years ago
14

Affects of human activities on on the environment.​

Biology
1 answer:
igomit [66]2 years ago
8 0

Answer:

Humans have a variety of effects on the physical environment, including overcrowding, pollution, the use of fossil fuels, and deforestation. Climate change, soil erosion, poor air quality, and undrinkable water have all been driven by such changes.

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Alexander Litvinenko was poisoned with 10 micrograms of the radioactive substance Polonium-210. Since radioactive decay follows
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Answer:

Left amount of Polonium-210 after 115 days will be 4.5927 microgram

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N=N_0e^{-xt}=10e^{-0.00502\times 115}=4.5927microgram

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Hope this helps
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