WASHINGTON (AP) — A new Associated Press-GfK poll finds most Americans think of water as a limited resource that can be depleted if people use too much. When asked to rate priorities when water is scarce during a drought, more said agriculture should be a top or high priority over residential needs, wildlife and industry. Here is a look at some of the poll's key findings: ___ WATER IS A LIMITED RESOURCE The poll shows two-thirds of Americans think of water as a limited resource that could be depleted if people use too much, while just one third think of it as a renewable resource that will always be there for people to use.