Question

http://prntscr.com/5e5mak

Answer 1

@ParthKohli

Answer 2

@paki

Answer 3

@shrutipande9 have you heard about "Carbon-14 Dating"

Answer 4

i think its c14. we can obv eliminate d. as the radioactive material starts to decay...the stable nucleus thus formed can become some other element or an isotope. so as amount of decayed material increases impurity increases.

Answer 5

yes i hv heard about carbon dating

Answer 6

agree with you... here you go....

http://www.chem.uwec.edu/Chem115_F00/nelsolar/chem.htm

Answer 7

cool..:D

Answer 8

thank u :D

Answer 9

@Abhisar

Answer 10

pleasure...