Multiple Select QuestionSelect all that applyWhy are lakes considered "temporary features on the landscape?"Multiple select question.They may eventually fill with silt.They exist for only a few months each year and are seasonal.They may be emptied by the cutting of an outlet stream through the barrier that originally created them.Need help? Review these concept resources.

Multiple Select QuestionSelect all that applyWhen Lake Mead reaches "dead pool" levels, then Blank______.Multiple select question.the dam will no longer be able to generate powerthe entire lake will have dried upwater withdrawals will no longer be possibleoxygen levels in the water will decrease to a point where all organisms will dieNeed help? Review these concept resources.

Multiple Select QuestionSelect all that applyForests are vital because they Blank______.Multiple select question.provide habitat for wildlifeare the most pristine (untouched) biome on the planetcontrol water runoffrepresent cultural and historic valuespurify air and waterhelp to regulate climate

Multiple Choice QuestionWhich of the following correctly describes the role of lakes in the hydrologic cycle?Multiple choice question.They are permanent features through geologic time.They hold more water than all other freshwater sources.They hold a minor amount of earth's water.

Multiple Select QuestionSelect all that applyWhat are some ways to "increase" local water supplies?Multiple select question.DesalinationCloud seedingConservationDrilling more groundwater wells

Multiple Select QuestionSelect all that applyClimate change is expected to Blank______.Multiple select question.cause the southwestern U.S. to become even driermake dry areas wetter and wet areas drierdecrease evaporation rates along the equatorincrease water scarcity and water stress in many areasNeed help? Review these concept resources.