Answer:
Vatican city.
Explanation:
Vatican city is an enclave located in the city of Rome, Italy.
The smallest country in the world is Vatican city also known as Holy See. It is measuring about 0.19 square miles in size and as such characterized by a very little population.
Basically, Vatican city is the central home of the catholic church and it does not have any permanent citizen. Therefore, citizenship is only granted to the people who work at the Vatican and it is revoked immediately they stop working there.
Additionally, the official language of the Vatican city is Italian and Latin.
A, tourists do not go to work or visit farms or work in the factories , they go to visit its world-famous cities .
The statement "Mass extinctions have occurred several times on Earth" explains the indication of the fossil record.
<h3>Indication of Fossil fuels:</h3>
Paleontologists are fascinated by the evolution and extinction of fossil species throughout geologic history. To do so, they look at all the fossils that have been preserved in sedimentary rocks.
The fossil record is what we call it. Paleontologists have been collecting fossils from sedimentary rock layers all over the world for over two centuries.
Their goal is to figure out how species have evolved over geologic time. It can be used as a geologic timescale once the succession is established.
Then, if a specific fossil is discovered in a rock, you can determine where it belongs on the geologic timescale.
Therefore, the correct option is the third sentence.
Learn more about fossil fuel here:
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