I would say D. Fossil fuels must be burned to release their energy.
In china it as a lot of the worlds population
Geography is the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industry
Explanation:
Urban Population Density, Climate Change, and Disasters The dense concentration of urban populations can increase susceptibility to the disasters that are likely to become more frequent and more intense as a result of climate change. Many aspects of urban areas are vulnerable to disasters and climate change.