Prof. Walker's Fun School Fourth issue

4/8

A certain degree? What do you mean?Actually, the resilience of nature has a limit.... Once the grass decreases too much, it doesn’t grow back even after the cale are gone. This happens quite suddenly.Why? You said that with the roots in the soil, grass can grow back, didn’t you? Yes, but you need a small amount of grass remaining aboveground.Rainwater just ows o across the surface without soaking into the soil, if there’s no grass aboveground.Without water in the soil, grass roots cannot absorb water to grow.