Questions

Dry ice is solid form of carbon dioxide, used as a cooling agent.

It lower temperature than that of water ice and not leave any residue.

Because there is no need address traansaction between processor and peripheral device but data bus is needed because data has to be read and write

We have 12 months.

In every month we get 28 or more days. 

So that implies we get 28 days in each and every month.

IUPAC stands for International Union of Pure and Applied Chemistry.

A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. The nomenclature used most frequently worldwide is the one created and developed by the International Union of Pure and Applied Chemistry (IUPAC).

Neon is the element that is used in bright flashing advertising signs as Neon particulary gives bright color.