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10 reasons that could destroy all life on our planet
Over the past 500 million years there have been five mass extinctions. The most famous of them happened about 65 million years ago - when dinosaurs disappeared. Despite the huge number of theories, the causes of these extinctions is uncertain. The cause of the sixth mass extinction in the future may be different factors which we describe below: 10. From the depletion of natural resources to environmental pollution - the human impact on our planet grand. According to some reports each year on Earth is dying to 100,000 species of plants and zhivotnyh.
9. giant supervolcano in Yellowstone National Park threatened by an erupting at any time. It can destroy the whole of America, and a cloud of toxic ash covered the entire Earth. 8. Mankind may be superseded by artificial intelligence and robots take the place of people in all walks zhiznedeyatelnosti.
7. Gamma rays, which arise as a result of the collision of stars, can destroy all the ozone layer of our planet. But there is good news to a new explosion left 500 million years. 6. The population of bees is close to extinction because of rising temperatures on Earth and use of pesticides in agriculture. 33% of what we eat depends on the population of bees, as insects pollinate a significant part of agricultural plants and their disappearance can dramatically exacerbate the growing food crisis. 5. We may be powerless in the face of deadly epidemics, such as virus Ebola.
4. Over the past two centuries, carbon dioxide emissions have increased ocean acidity by 25%. It promises the underwater life of the ocean mass extinction. 3. The collision of a comet with the Earth and could endanger the existence of mankind. 2. scientist James Hansen said that the burning of fossil fuels contributes to the rapid formation of the greenhouse effect, and the transformation of the world into a second face with Venus surface temperature 475 gradusov.
1. Changing the direction of the magnetic field can lead to a weakening of the Earth's magnetosphere. Because of this cosmic radiation will lead to irreparable consequences.
Source: mixstuff.ru/archives/50850