The reason why Tin granules is mostly used or preferred than
just a piece of Tin because a piece of Tin is plainly metal, in which this will
be difficult in having it to be oxidized when it is exposed or in the air
rather than Tin granules.
There are 2 manganese atoms are in Ba(MnO4)2.
The nervous system.
It transports signals from and to different parts of the body and forms actions.
Answer may be 1 co2 I might be wrong sorry
