I think it is change to the phenotype of the organism
The correct answer is: Inserting a gene into a pea plant to make them resistant to insects
Solar power is the answer
The answer to the question stated above is surface area.
Coal dusts<span> are fine </span>powdered<span> form of </span>coal, which are formed by crushing, grinding, or pulverizing of coal. They can be created during mining<span>, transportation, or by mechanically handling coal because of its brittle nature.</span>
The surface area of the coal dust explains why it is explosive.