And falling prices could cause some real problems by themselves.

I have caused an effect in you by "natural" means.

What they don't cause by their own actions, seems to be drawn to them.

He wondered if it was natural, or caused by fear.

More out of sorts than I'd been, if caused by the same woman.

Whether it can cause hair loss by some other mechanism is not clear.

The game also models the problems caused by the Palestinian situation.

The exposure caused by Potassium-40 present within a normal person.

During this season there is a considerable risk of fire, whether natural or caused by man.

Type A usually causes symptoms by 6 months of age.