Question

3 सिक्कों को 50 बार उछाले प्रत्येक पर हेड और टेल की उपस्थिति को रिकॉर्ड करें प्रायिकता ज्ञात कीजिए (दो हेड )(एक भी हेड) (नहीं सिर्फ एक हेड)​

Answer 1

The Short Answer: Air pollution is caused by solid and liquid particles and certain gases that are suspended in the air. These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes and wildfires. The solid and liquid particles suspended in our air are called aerosols.