Question

It's urgent

:)))))))​

Answer 1

Answer:

elements :

iron

copper

aluminium

silicon

helium

compounds:

water

sodium chloride

plaster of paris

calcium oxide

sodium sulphate

sodium hydrogen carbonate

Answer 2

To date, the only Millennium Prize problem to have been solved is the Poincaré conjecture, which was solved in 2003 by the Russian mathematician Grigori Perelman.

shubhi

tumhari sad dp kyu h