Ch 9 Test Review

Which of the following is not a significant factor in determining whether precipitation will soak into the ground or run off on the surfaces?

• A) steepness of the slope
• B) vegetation
• C) saturation level
• D) lithology
• E) amount and duration of precipitation

The single most important erosional agent is ________.

• A) running water
• B) wind
• C) ice
• D) waves
• E) amount and duration of precipitation

A natural levee is ________.

• A) an erosional feature
• B) a depositional feature
• C) perpendicular to its stream channel
• D) found inside the stream channel

Which of the following is not a form of artificial flood control?

• A) levee construction
• B) dam construction
• C) channel cutoff to form oxbow lakes during a flood
• D) forced levee breaks to deflect flood waters

Caves most commonly form in ________.

• A) limestone
• B) sandstone
• C) quartzite
• D) shale

An artesian well is one in which ________.

• A) the water is warm, fairly saline, and recharged by an affluent stream
• B) pressurized groundwater rises from a deep, unsaturated aquifer
• C) water rises above the top of the aquifer without any pumping
• D) the well is horizontal and the water table is perched

When water is pumped from a well, a depression is often produced in the water table. Such a depression is a(n) ________.

• A) perched water table
• B) pumping dimple
• C) cone of depression
• D) artesian well

Sea level has risen and fallen significantly in the past history of Earth due to ________.

• A) climate change
• B) delta buildup
• C) natural levee formation
• D) sinkhole formation

Point bars are ________ features located along the ________ of meander bends.

• A) depositional; inside
• B) depositional; outside
• C) erosional. inside
• D) erosional; outside

The lowest base level for most streams is ________.

• A) a dam
• B) a lake
• C) a resistant rock layer
• D) sea level