1.   Animals rarely live in completely stable environments.

2.   But although the sea is overall a stable environment, it is not unvarying.

3.   Children like a stable environment.

4.   The bureaucratic style can be very efficient in a stable environment and when the organisation is of a large size.

5.   They argued that being Married helps provide a stable environment for bringing up children.

6.   Children need to be raised in a stable environment.

7.   Until now it was assumed that sites deep underground provided a stable environment for buried waste.

8.   And incubators that maintain stable environments for experiments stopped working, forcing scientists to throw away dozens of cell samples.

9.   And the result of that was more available oxygen, a more stable environment and an evolutionary playground.