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EHST 2110- Exam 4 Questions and Answers 100% Correct $11.99   Add to cart

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EHST 2110- Exam 4 Questions and Answers 100% Correct

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EHST 2110- Exam 4 Questions and Answers 100% CorrectEHST 2110- Exam 4 Questions and Answers 100% CorrectEHST 2110- Exam 4 Questions and Answers 100% CorrectEHST 2110- Exam 4 Questions and Answers 100% CorrectEHST 2110- Exam 4 Questions and Answers 100% Correct Water Cycle Components - ANSWER - Pre...

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  • August 13, 2024
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  • Exam (elaborations)
  • Questions & answers
  • EHST 2110
  • EHST 2110
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NursingTutor1
EHST 2110- Exam 4 Questions and
Answers 100% Correct
Water Cycle Components - ANSWER - Precipitation, Interception, Evaporation, Infiltration,
Groundwater, Runoff


What is a watershed? - ANSWER - An area of land that drains to a single point


River Basin - ANSWER - An area where water drains to and leads to the ocean


What percent of the earth is covered by water? - ANSWER - 71%


What percent of a human is made up of water? - ANSWER - 65-70%


How many liters of water are needed to maintain bodily functions? - ANSWER - 1-3 liters/day


What is the second most basic human need? - ANSWER - Water


What state drains the most amount of water? - ANSWER - California


Reduction of recharge area - ANSWER - Hard surfaces such as roads, parking lots, rooftops
that do not allow rainfall to infiltrate the soil and recharge groundwater


Salt Water intrusion - ANSWER - Migration of salt water from ocean to pumping wells due to
excessive water level drops in fresh water aquifers


Aquafers - ANSWER - Permeable rock or sediments that transmit water easily


Water Stress - ANSWER - Where the amount of renewable freshwater per person is under
1,700 cubic meters annually; 40% of the world lives in water stressed areas

, Water Scarcity - ANSWER - Per capita water availability is under 1000 cubic meters


Drought Types - ANSWER - Meterological, Agricultural, Hydrologic


Meterological Drought - ANSWER - Based on historical rainfall average


Agricultural Drought - ANSWER - Based on soil moisture


Hydrologic Drought - ANSWER - Based on streamflow or groundwater levels


What percent of all available freshwater is groundwater? - ANSWER - 96%


Why is groundwater preferred over surface water? - ANSWER - Groundwater is typically cleaner
and purer


Groundwater Depletion - ANSWER - Persistent lowering of the water table; more withdraw than
deposit


Ogallala Aquifer in American West - ANSWER - Worlds largest underground water reserve that
runs beneath 8 states; supplies near 33% of all water irrigation


Reasoning for Groundwater Depletion - ANSWER - Excessive pumping; reduction of recharge
area; salt water intrusion


Confining bed - ANSWER - Largely impermeable layers that hinder water's movement


Groundwater Contamination - ANSWER - Degradation of groundwater supplies often occurs
from waste storage, treatment or disposal facilities


The leading contributor to ground water contamination - ANSWER - Poor waste management

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