The longest watershed in Texas is the Mississippi.

If a homeowner dumps paint into the yard, the paint will ________________________.

The amount of water that becomes runoff is affected by ______________.

What type of landform causes a divide?

The functions of a wetland include ______________.

A layer of permeable rock that allows water to flow freely is a ___________.

A depression in the land that holds water is a ______.

The upper surface of the zone of saturation in groundwater is the ____________.

When groundwater reaches the surface a _________ may be visible.

A depression that forms when the roof of cave collapses is a ______________.

Ground that allows rock to absorb water in the spaces between minerals is said to be ____________________.

An area of land that is saturated with water for most or all of the year is a _______________.

Which of the following lakes is not in the Trinity watershed?

Which of the following would not cause groundwater contamination?

The sunlight that shines on glaciers and ice sheets is _________________________.

Alpine glaciers form only ________________.

As the continental glaciers and ice sheets melt, global temperatures will ___________________.

The best place for port cities is in the _______________ of a river.

A great form of recreation in the headwaters of a river is ______________.

A great use of a floodplain is _____________.

Dallas sits in the ________________ section of the Trinity watershed.

Water conservation is _________________.

Surface water can be contaminated by which of the following?

Trash from Dallas will never end up in the ocean so we don't care if we litter.