Question

,.........please answer fast

Answer 1

https://www.learncbse.in/solved-cbse-sample-papers-for-class-9-maths-set-3/https://www.learncbse.in/solved-cbse-sample-papers-for-class-9-maths-set-3/https://www.learncbse.in/solved-cbse-sample-papers-for-class-9-maths-set-3/https://www.learncbse.in/solved-cbse-sample-papers-for-class-9-maths-set-3/

Answer 2

Answer:

Mercury is an unusual substance: it's a metal that's liquid at room temperature. This is possible because mercury freezes solid at -38.83 degrees Celsius, and liquid nitrogen is far colder than that.