Answer:
Geography is the study of Earth's natural features. Hills, plains, and rivers are a few examples.
Explanation:
The ring of fire is : B. the circle of volcanoes around the pacific ocean
It used to describe the area where active earthquake and volcanic eruption occurs. about 90 % of the earth's Earthquake occurs in this area
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Flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground Advantages<span> & Disadvantages of </span>Natural Gas<span>. </span>Natural gas <span>burns cleaner than other fossil fuels, producing half the carbon dioxide as coal and about a third less than oil. It also emits fewer amounts of toxic chemicals like nitrogen oxides and sulfur dioxide.</span>
India and China because these two countries already have the highest populations in the world, and there are no signs of population decrease.