Carbonation

3 clues
Process that makes water bubbly
Pasta-and-potato-loving country?
Soda-making process that explains four transformations in this puzzle?
Similar answers:
Abomination
Acrossthenation
Adestination
Africannation
Africannations
Aggressornation
Alienation
Aliennation
Alteredcarbon
Alternation
Anation
Anexaminationof
Antagoniststagnation
Antinationalist
Arenations
Assassination
Assignation
Augustanational
Backexamination
Balkannation