Which of these lakes is considered the most toxic in the world?
Lake Karachay is a small lake in central Russia. It is often referred to as the most polluted site on earth. Containing just one square mile of water, the lake formed a dumping ground for nuclear waste by for around 12 years.High level radioactive waste makes up almost the entire lake-bed to a depth of around 3.4 meters. Some areas surrounding the lake have radiation measurements of around 6 Sv/hour, which is enough to give a lethal dose to a human in as little as 30 minutes¹.
Answers by country
the United States
the United Kingdom
What is the color of eyes of owls that hunt at night?
it doesn't matter, all owls hunt at night
Why is the ozone hole dangerous?
it speeds up the global warming
it increases UV radiation
it depletes the oxygen (O2)
it disturbs Earth's magnetic field
In order to protect seeds of the edible plants, the Global Seed Vault has been built. Where is it located?
Headquarters of United Nations in New York
Headquarters of FAO in Rome
Such place does not exist