'x' a brown coloured shining element with atomic number one unit grater than 'Ni' when burnt in air turns black what is 'x' ? what is black coloured substance explain it briefly i will mark as brainlist
what is land in telugu plz fast
who is jesus tell me i will mark as brainlist
how to increase the yield production in india plz
what is chess can u tell me some thing about this plz