Answer:
Option (D)
Explanation:
Historical geology usually refers to the study of the changes and the variation that occurs at or below the surface of the earth. In simple words, it mainly involves the study of past events. This includes the variation and evolution of different life forms that existed on earth over a time of about 3.8 billion years until the present. It basically comprises the important part of geology namely Paleoclimatology, Paleontology and Paleoseismology. This historical geology is also known as Paleogeology.
Thus, historical geology involves the biological changes that occur over a definite time.
Thus, the correct answer is option (D).
It's about the study of the earth. Like mapping, or just looking at different biomes or landscapes.
Had the Carthaginian cavalry effectively defeated the Roman cavalry, the Carthaginian infantry was doing the same with the Roman legions. The Roman infantry had continued to drive forward, and had driven itself into an alley formed by the light Carthaginian infantry stationed at the sides.
Shielded by these Carthaginian troops, their comrades who had stayed at the rear could now swing around and come in behind the Roman army. The Roman doomed legions were encircled and being attacked from all sides.
<span>In effect the Roman infantry had been defeated by the opposing infantry, although the returning Carthaginian cavalry helped further accelerate their victory.</span>
I don't believe so.. There might be a few that people don't know about but overall people live everywhere