LSU GEOGRAPHY 2051 NAMIKAS FINAL
2026 ACTUAL EXAM 250 QUESTIONS
AND VERIFIED ANSWERS | ALREADY A
GRADED | NEW AND REVISED
What are the 4 spheres of the Earth? - ANSWER- - Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
What is the solid portion of the globe? - ANSWER- Lithosphere
What is the water portion of the globe? - ANSWER- Hydrosphere
What is the gases that surround the globe? - ANSWER- Atmosphere
What are the living organisms that occupy the globe? - ANSWER-
Biosphere
A method for producing new knowledge - ANSWER- Scientific method
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A body of existing knowledge - ANSWER- Theory
A provisional explanation - ANSWER- Hypothesis
A set of objects and their attributes that are linked together by a flow of
matter and energy - ANSWER- System
Matter and energy can leave the system - ANSWER- Open system
The system is self-contained; matter and energy are preserved -
ANSWER- Closed system
Whatever is inputted in to the system will either be used as storage or
will be outputted - ANSWER- Budgets
Inputs are larger than outputs and storage increases - ANSWER-
Positive budget
Outputs are larger than inputs and storage decreases - ANSWER-
Negative budget
Inputs are equal to outputs and storage is constant - ANSWER-
Balanced budget (equilibrium)
A fixed balance that is rarely changing - ANSWER- Static equilibrium
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A balance that is constantly changing - ANSWER- Dynamic equilibrium
System response to a change in conditions or inputs that acts to
influence that initial change - ANSWER- Feedbacks
System responses that result in positive increases - ANSWER- Positive
feedbacks
System responses that act to reduce environmental conditions and helps
the system maintain and preserve itself - ANSWER- Negative feedbacks
Parallels that use the equator as reference - ANSWER- Latitude
Meridians that use Greenwich as a reference - ANSWER- Longitude
The innermost portion of the earth - ANSWER- Core
The part of the earth that is very hot, under a lot of pressure, and
contains solid iron - ANSWER- Inner core
The part of the earth that is hot, liquid iron - ANSWER- Outer core
The middle portion of the earth - ANSWER- Mantle