Cold air IS less dense, sinks, holds less vapor
Answer:
major cities
bodies of water
international borders
Explanation:
The political maps are type of specialized maps that are showing the reader of the map the countries, be it in the whole world, in a region, or in a smaller area.
These maps are always showing the international borders between the countries, which is actually its main purpose, differentiation of the countries and representation of their borders.
Very often, the major cities tend to be represented as well, and it can only be the capital cities, or cities that are very large and important.
The major bodies of water too tend to be represented, as the borders between the countries often go through a water body, or the water bodies are surrounding a country.
Every country is usually depicted with different color, so that the reader of the map is able to differentiate the countries much more easily.
ANSWER: the ring of fire is a major area in the basin of the Pacific ocean where many earthquakes and volcanic eruptions occur.
The answer to the item above is letter "C. surface". Surface waves are mechanical waves that propagate in the interface of differing media. These waves very usually have larger altitudes and longer wavelengths than the body waves.