Final answer:
Geography is the study of the earth, including both physical systems and human activity. It plays a significant role in understanding the world, its impact on history, and future developments.
Step-by-step explanation:
Geography is the study of the earth, including both its physical systems and human activity. It encompasses studies of physical geography, which focuses on the planet's physical characteristics and systems, and human geography, which examines human cultures, spatial relationships, and interactions with the environment.
Geography plays a significant role in understanding the world, its impact on history, and future developments.