And an emergency, in case you've forgotten, occurs spontaneously or because a situation is out of control.

Over the years, the development of the University occurred somewhat spontaneously.

In higher forms, even during the growth stage, regeneration does not occur spontaneously.

Even when private schools offer diversity, she said, it rarely occurs spontaneously.

And it occurred spontaneously to these people at one and the same time!

Reaction (c) does not occur spontaneously since its value is positive.

We also saw that, for a reaction to occur spontaneously G must be less than zero.

The forward reaction as shown above occurs spontaneously and not the reverse.

Improvement in the skin can occur spontaneously, but this should not be taken as a sign that the disease has disappeared.

However, they may also occur spontaneously and be associated with the experience of sleep paralysis.