The environmental impact of micro-seismic activity is often associated with which energy source? ib 105

The answer is Natural gas it is the source of energy.  Natural gas describe as colorless, odor-less (smell is added for safety, often found with oil reserves, very efficient form of heating produces less carbon dioxide and particulates than oil or coal. 

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;