People depend on the planet for clean air, water, and food. The Earth's natural resources are essential for life and provide the basic necessities for human survival. Without a healthy planet, people would not be able to access the resources they need to sustain themselves.
Need its gravitational attraction to avoid drifting off into space.
Yes, that's another important way in which people depend on the planet. Earth's gravitational force keeps us and everything else on the planet grounded and prevents us from floating off into space. Without the Earth's gravity, life as we know it would not be possible.
