Answer:
Earth science or geoscience is the study of the Earth's structure, properties, processes, and four and a half billion years of biotic evolution. Understanding these phenomena is essential to the maintenance of life on the planet. There are four basic areas of Earth science study:
- Geology: Science of the Earth
- Meteorology: Science of the Atmosphere
- Oceanography: Science of the Oceans
- Astronomy: Science of the Universe
