Statement –I : Canning is a method of preserving foods for long periods by packing then in airtight containers.

Statement –II : Salting is the preservation of food with dry edible salt

Statement I is true, Statement II is true.
Preserving food in cans is an effective way keep food out of microbes, as the container is airtight.
Food can also be preserved by using salt, as salt arrests the activities of terrestrial microbes.