What was the smallest country​

it's Australia

..,

Vatican City

Based on landmass, Vatican City is the smallest country in the world, measuring just 0.2 square miles, almost 120 times smaller than the island of Manhattan. Situated on the western bank of the Tiber River, Vatican City's 2-mile border is landlocked by Italy.

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please mark as the brainliest if it is correct ! :)

a. the production of carbon dioxide through the process of photosynthesis

haploid cells;