When a solid is heated the particles gain energy and start to vibrate faster and faster. Further heating provides more energy until the particles start to break free of the structure. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid.
<span>The genome is all the DNA content that is present within a cell of an organism. So according to above explanation </span><span>D. The study of the genomes of organisms ,is the correct answer.</span>