2026-2027 Actual Exam With Complete 200 Questions And
Correct Detailed Answers (Verified Answers) |Already Graded
A+ |Louisiana State University and Agricultural & Mechanical
College |GEOG 2051
What are the 4 spheres of the Earth? - Answer :- Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
This occurs when groundwater is taken out faster than it is replaced and the water table drops down -
Answer :Groundwater mining
This occurs when pore spaces fill with air when the water table drops don and the pressure compresses
the air, resulting in a collapse - Answer :Aquifer collapse
Landfills and septic systems can leak and flow in to water systems resulting in ______________ - Answer
:Pollution
The movement of saline water in to freshwater aquifers - Answer :Saltwater intrusion
A land area that supplies water to a particular river system - Answer :Drainage basin
A drainage pattern that resembles a tree or root system and is found in many different systems in life
(the most energy efficient) - Answer :Dendritic
,A drainage pattern where all tributaries are relatively parallel to one another and flow in the same
direction - Answer :Parallel
A drainage pattern where the tributaries flow away from a central point and occurs in areas with a high
central elevation - Answer :Radial
A drainage pattern where the tributaries flow in one direction, but form a 90 degree angle with the river
- Answer :Trellis
A drainage pattern that has no logic to it and occurs in places that were recently disturbed - Answer
:Deranged
A type of channel where water flows year round - Answer :Perennial
A type of channel where water flows for a portion of the year and is dry for the other part of the year -
Answer :Intermittent
A type of channel that occurs in arid regions and can remain dry for years - Answer :Ephemeral
The volume of water moving past a point per unit of time - Answer :Discharge
What is the equation for discharge? - Answer :Channel width x channel depth x water velocity = Q
The wearing down of particles - Answer :Erosion
The moving or soil / particles - Answer :Translocation
A mode of sediment transport when particles are deposited somewhere - Answer :Deposition
, The total amount of soil a river can move - Answer :Capacity
The size of the material a river can move - Answer :Competence
Material dissolved in water results in a __________ - Answer :Solution
A type of mode of sediment transport that carries somewhat larger materials - Answer :Suspension
A mode of sediment transport where the material remains some degree of contact with the bed -
Answer :Bedload
A type of bedload where the material bounces along - Answer :Saltation
A type of bedload where the material rolls along the bed - Answer :Traction
Determines how much energy a river system has - Answer :Longitudinal profile
The ability of a river to carry sediment is equal to the supply of sediment - Answer :Graded stream
Triangular shaped landforms where velocity drops at the mouth - Answer :Delta
An example of a delta with river inputs - Answer :Mississippi delta
An example of a delta with waves - Answer :Sao Francisco
An example of a delta with tides - Answer :Fly River
3 requirements for effective Aeolian processes - Answer :- Small sediment size
- Little or no vegetation