it is coming out frm auto mobile exauxt and in environment it is mixing with other acids such acsulpher dioxide carbonic acid nitric acid and causes acid rain
Californium is a very rare and expensive man made metal. But because it is a strong radioactive element californium can be an environmental hazard in the case of an accident.
Most directly, computers are environmental hazards because they use up electricity. Electricity comes from the burning of fossil fuels, which produce carbon dioxide in the process. Computers also...