Coal, natural gas, and crude oil are commonly used in various industries, businesses, and homes. They serve as alternatives to each other and are used for purposes like heating, generating power, and producing petrochemicals. Although these fuels can be used interchangeably and have similar purposes, their varying physical attributes have an effect on regional and global markets. Explain, in a few sentences, describing how at least two distinct physical characteristics of these substances (alone or in combination) influence regional and global trade in the different fossil fuels