The correct answer is indeed C.
(I just took the quiz and this was the correct answer)
ANSWER: It is The first one
A LANDSLIDE is a type of mass movement that occurs with a thin block of soil, rock and debris separates from the underlying block.
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.