This is the least mountainous country of Southern Europe.

1) Greece
2) Italy
3) Portugal
4) Spain

in my book, it says all of them are mountainous.
help?

Looking at these maps, I'd say it was a tossup between Italy and Portugal.

http://www.geographicguide.net/europe/maps-europe/physical.htm

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I'd vote for Portugal as being least mountainous.

Portugal is the least mountainous.

Italy has the southern Alp); Spain has the Pyrenees, and Greece has some high mountains (like Mt. Olympus and Mt. Parnassus, near Delphi) in a range called the Pindos. The Matterhorn is on the Italian border.

Although all of the listed countries in Southern Europe have mountainous terrain to varying degrees, the country that is generally considered the least mountainous among them is Portugal. Portugal has a more subdued topography compared to Greece, Italy, and Spain. While it does have some mountain ranges, such as the Serra da Estrela in the interior, the overall elevation is not as pronounced compared to the other countries listed.

If your book states that all of these countries are mountainous, but you need to identify the least mountainous country of Southern Europe, there are a few steps you can take to figure out the answer.

Step 1: Research each country's geography
Look up information about the geography of Greece, Italy, Portugal, and Spain. Pay close attention to the presence and characteristics of mountain ranges, such as the height and extent of the mountains in each country.

Step 2: Compare the countries' mountainous areas
Based on the research, compare the magnitude and extent of mountainous areas in each country. Look for information about the highest peaks, overall elevation levels, and the density and distribution of mountains within each country's borders. This will help determine which country has the least mountainous terrain.

Step 3: Analyze the findings
After comparing the geographic features of all the countries, you should be able to identify which one has the least mountainous terrain. Consider the relative size and prominence of mountains in each country to make your determination.

Remember, while Portugal and Spain are known for their mountain ranges, Greece and Italy also have mountainous regions, but the question is asking for the least mountainous country.