GEOG 2051 LSU Geography Exam #2 Study Guide | Namikas Test 2 Review

LSU Geography Exam #2 Namikas/ GEOG 2051 Namikas Test 2
NEWEST 2025-2026 COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
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3% - CORRECT ANSWER- Fresh water makes up ______% of earth's water



20% - CORRECT ANSWER- What percentage of freshwater is ground water?



50% - CORRECT ANSWER- What percentage of all ground water is shallow ground water
and can be used?



50% - CORRECT ANSWER- What percentage of all ground water is deep ground water
and is unusable?



80% - CORRECT ANSWER- What percentage of fresh water is on the surface of the
earth?



99% - CORRECT ANSWER- What percentage of surface freshwater is ice?

Salt water - CORRECT ANSWER- What type of water makes up 97% of earth's water?

,97% - CORRECT ANSWER- Salt water makes up _______% of earth's water



Fresh water - CORRECT ANSWER- What type of water makes up 3% of earth's water?

Less than 1% - CORRECT ANSWER- What percentage of surface freshwater is lakes,
rivers, etc?



99% - CORRECT ANSWER- Ice makes up ___% of all surface freshwater



Sublimation - CORRECT ANSWER- A direct change in state from solid to a gas or a gas to
a solid... skips the liquid phase



Vertical movements - CORRECT ANSWER- Movements that involve lifting and
precipitation



Horizontal movements - CORRECT ANSWER- Movements that involve runoff and
advection



True: Budgets maintain the global balance so the total amount of water stays
constant over time - CORRECT ANSWER- T or F: The overall amount of water stays
relatively constant over time



Reservoirs - CORRECT ANSWER- Places that hold water

, Residence time - CORRECT ANSWER- Average amount of time water will spend in the
reservoir



A few days (very short) - CORRECT ANSWER- What is the residence time for water in the
atmosphere?



A few weeks (short) - CORRECT ANSWER- What is the residence time for water in rivers?



Years / Decades (long) - CORRECT ANSWER- What is the residence time for water in
lakes?



Thousands of years (very long) - CORRECT ANSWER- What is the residence time for
water in oceans?



Aquifer - CORRECT ANSWER- Porous substance that holds water



Aquiclude - CORRECT ANSWER- Body of impermeable material that water can't
penetrate



Saturated zone - CORRECT ANSWER- The term for when the pore space of an aquifer is
filled with water



Zone of aeration - CORRECT ANSWER- The term for when the pore space of an aquifer is
filled with air