Element Y has 3 stable isotopes. One isotope has a mass of 27.977 amu and an abundance of 92.2%. The second isotope has a mass of 28.976 amu and an abundance of 4.7%. The third isotope has a mass of 29.974 amu and an abundance of 3.1%.

Ur e n d is not real

It’s the energy source of stars

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.