None.
Earth is a planet. The countries are on Earth.
Egypt was not the first country on the earth Iraq was the first country
There is no country on the Antarctic continent, and yes, it is the coldest continent on earth.
The smallest country on earth is The Vatican, with only 121 acres of land.
The centre of the earth is not a country it is called the core, made chiefly from iron.
Jordan is not the poorest country on Earth.
There is no "Best" Country on earth.
The plural form of the word "country" is "countries."
Russia is the largest country by area on earth.
china
Every single country on earth has telephones.
Tokyo in Japan is the largest country in population on Earth. It has a whopping 37.8 million people - around a quarter of the country's population.
No country has ever orbited the earth. Scientists and engineers in the USSR placed the first man-made satellite in earth orbit, in 1957.