Answer: b)because of the central mountains
Explanation: The central mountains cause the climates of Central America's coasts to be different.
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Answer:
Population.
Explanation:
U.S., India, and China, are the areas of heavy emissions of carbondioxide gas due to areas of dense population. These three countries have about half of the world population i. e. approx. 3 billions of people so vehicles and industries are high in number which releases the greenhouse gases such as carbondioxide and carbonmonoxide while heavy emissions of carbondioxide gas occurs from Germany because there is huge number of industries are there so that's why it is called the industrial heart of Europe.
Natural increase is the difference between the number of births and number of deaths during a year. As it is a natural increase it means there are more births then deaths in a year increasing the population.
