Answer:
Option (2)
Explanation:
Coal is a non renewable source of energy. This were formed in the region where there was abundant plants and trees. These plants when died, it got accumulated into the swampy water. With the increasing time, more plants were accumulated in this region. These dead trees were then covered with sediments thereby preventing it from getting completely decayed. Due to the extreme pressure and temperature condition, theses buried plants and trees are subjected to both physical and chemical changes, that helped in the emission of oxygen and only carbon was left in those deposits. Thus, after millions of years, it forms coal.
Coal generally forms in the tropical region where there is maximum amount of rainfall and temperature. This factors helps in the growth and expansion of various types of plant species, which later gets deposited in the swamps after their death and give rise to the formation of coal. It is widely used in order to generate electricity.
Thus, the presence of coal beds in Antarctica depicts that the continent once was near the equator that favored the growth and accumulation of these plants to form coal.
Hence, the correct answer is option (2).
