PH 604 Midterm 2 Exam With
Correct Solution
hydrologic cycle - ANSWER The natural cycle by which water evaporates from oceans
and other water bodies, accumulates as water vapor in clouds, and returns to oceans
and other water bodies as precipitation
Fresh water supply - ANSWER 1.Surface Water: all water naturally open to the
atmosphere.
2.Groundwater: all water found beneath the Earths surface, usually in aquifers.
Groundwater supplies wells and springs.
(Water cycle figure) - ANSWER
85% of the world population... - ANSWER ... lives in the driest half of the planet
Water availability is expected to decrease in many regions due to: - ANSWER 1. climate
change
2. population growth
3. increased demand for water from agriculture
By year 2050, global agricultural water consumption alone will increase by... - ANSWER
...19% or more (more with the absence of tech progress or policy intervention)
Residential Water Usage: San Diego - ANSWER 60% Residential
17% Agriculture
23% Industry
Residential Water Usage: California - ANSWER 39% Residential
28% Agricultural
33% Industry
Residential Water Usage: Worldwide - ANSWER 8% Residential
69% Agriculatural
23% Industry
2017: How many people lacked access to safely managed drinking water services? -
, ANSWER 2.1 million
2017: How many people lacked safely managed sanitation facilities? - ANSWER 4.5
billion people
340,000 children <5 die annually from the diarrheal diseases related to the following
water issues: - ANSWER - poor sanitation
- poor hygiene
- unsafe drinking water
WASH Acronym - ANSWER Water, Sanitation, and Hygiene
WASH effective as unit - ANSWER The components making up wash are interdependent
in nature. They are grouped together as a sector. Wihtout toilets, water sources become
contaminated, without clean water, basic hygiene is not possible. etc.
Deaths attributable to WASH issues (diarrhea) are primarily located - ANSWER -Many
African countries
-Afghanistan
-Cambodia
Safely managed drinking water service - ANSWER Water service located on premises,
available when needed and free from contamination
Limited drinking water service - ANSWER Water service located >30min per round trip
away
Safely Managed Sanitation Service - ANSWER Excreta are safely disposed of in situ or
treated offsite
Open Defication - ANSWER urinating and defecating in fields , forests, open bodies of
water, or other open spaces rather than using a toilet
Basic handwashing facilities include - ANSWER Soap, water
Drinking water: Improved Facilities PIPED - ANSWER - tap water in the dwelling, yard or
plot
- public standpots
Drinking water: Improved Facilities UNPIPED - ANSWER -boreholes/tubewells
-protected wells and springs
- rainwaer
- packaged water, including botled water and sachet water
Correct Solution
hydrologic cycle - ANSWER The natural cycle by which water evaporates from oceans
and other water bodies, accumulates as water vapor in clouds, and returns to oceans
and other water bodies as precipitation
Fresh water supply - ANSWER 1.Surface Water: all water naturally open to the
atmosphere.
2.Groundwater: all water found beneath the Earths surface, usually in aquifers.
Groundwater supplies wells and springs.
(Water cycle figure) - ANSWER
85% of the world population... - ANSWER ... lives in the driest half of the planet
Water availability is expected to decrease in many regions due to: - ANSWER 1. climate
change
2. population growth
3. increased demand for water from agriculture
By year 2050, global agricultural water consumption alone will increase by... - ANSWER
...19% or more (more with the absence of tech progress or policy intervention)
Residential Water Usage: San Diego - ANSWER 60% Residential
17% Agriculture
23% Industry
Residential Water Usage: California - ANSWER 39% Residential
28% Agricultural
33% Industry
Residential Water Usage: Worldwide - ANSWER 8% Residential
69% Agriculatural
23% Industry
2017: How many people lacked access to safely managed drinking water services? -
, ANSWER 2.1 million
2017: How many people lacked safely managed sanitation facilities? - ANSWER 4.5
billion people
340,000 children <5 die annually from the diarrheal diseases related to the following
water issues: - ANSWER - poor sanitation
- poor hygiene
- unsafe drinking water
WASH Acronym - ANSWER Water, Sanitation, and Hygiene
WASH effective as unit - ANSWER The components making up wash are interdependent
in nature. They are grouped together as a sector. Wihtout toilets, water sources become
contaminated, without clean water, basic hygiene is not possible. etc.
Deaths attributable to WASH issues (diarrhea) are primarily located - ANSWER -Many
African countries
-Afghanistan
-Cambodia
Safely managed drinking water service - ANSWER Water service located on premises,
available when needed and free from contamination
Limited drinking water service - ANSWER Water service located >30min per round trip
away
Safely Managed Sanitation Service - ANSWER Excreta are safely disposed of in situ or
treated offsite
Open Defication - ANSWER urinating and defecating in fields , forests, open bodies of
water, or other open spaces rather than using a toilet
Basic handwashing facilities include - ANSWER Soap, water
Drinking water: Improved Facilities PIPED - ANSWER - tap water in the dwelling, yard or
plot
- public standpots
Drinking water: Improved Facilities UNPIPED - ANSWER -boreholes/tubewells
-protected wells and springs
- rainwaer
- packaged water, including botled water and sachet water
