Fre/e po/ints :)
And anyone wanna ta/lk pls I am so bo/red ​

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

Injuries in the environment are a result of

Has magnification ability of hundreds of thousands of times