Final answer:
The atmosphere enables life on Earth by regulating temperature, providing oxygen, and protecting from meteorites.
Step-by-step explanation:
The atmosphere enables life on Earth in several ways:
- Regulates temperature: The atmosphere helps to regulate the temperature on Earth by trapping the sun's heat and preventing rapid temperature changes. This is known as the greenhouse effect.
- Provides oxygen: The atmosphere contains oxygen, which is essential for the process of cellular respiration in organisms. It allows us to breathe and is necessary for many essential processes in our bodies.
- Protects from meteorites: The atmosphere acts as a shield, protecting Earth's surface from being bombarded by meteorites. It burns up most of the small meteorites that enter our atmosphere, preventing them from reaching the surface.