Topic 12 Flashcards
It is the changes in the natural hydrologic processes due to landslides and earthquakes.
a. Natural Disasters
b. Agriculture
c. Deforestation
d. Urbanization
a. Natural Disasters
This is the amount of salt dissolved in water.
a. Salinity
b. Saltiness
c. Brininess
d. Saltification
a. Salinity
According to Tarbuck’s 12th edition of Introduction to Physical Geology, glaciers and ice sheets make up about _____, groundwater at about _____, and surface water and other freshwater at about ____ in freshwater.
a. 73.1%, 20.2%, 6.7%
b. 73.1%, 20.1%, 6.8%
c. 68.6%, 30.2% 1.2%
d. 68.6%, 30.1%, 1.1%
d. 68.6%, 30.1%, 1.1%
This river flows through the municipalities of Valencia and Dumaguete City. It is 20.7
kilometers long and covers 3,795 hectares of land.
a. Ocoy River
b. Banica River
c. Banilad River
d. Poblacion River
b. Banica River
At type of water derived from precipitation.
a. Connate
b. Meteoric
c. Magmatic
d. Seawater
b. Meteoric
Sedimentary rocks are attacked by acids (carbonic acid) H₂CO₃ which causes them to
break down and have a result of ___ bicarbonate ions.
a. 1
b. 2
c. 3
d. 4
b. 2
What is the movement of saline water into freshwater aquifers, which can lead to
groundwater quality degradation?
a. Acid rain water
b. Acid mine drainage
c. Saltwater Intrusion
d. Coastal water pollution
c. Saltwater Intrusion
What is the earliest evidence of surface water on earth?
a. Obducted Ophiolite
b. Banded Iron formation
c. Karst environments
d. Stromatolites
b. Banded Iron formation
What is the joint venture company of Dumaguete City Water District (DCWD) and Metro Pacific Water (MPW) that provides improved water distribution services to Dumaguete and nearby communities?
a. Metro Dumaguete WaterS (MDW)
b. Metro Monitoring Water (MMW)
c. Metro Dumaguete City Water (MDCW)
d. Metro Dumaguete Water (MDW)
d. Metro Dumaguete Water (MDW)
What is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in each water sample at certain temperature over a specific time?
a. Acid rain water
b. Biochemical Oxygen Demand
c. Saltwater Intrusion
d. Acid Mine Drainage
b. Biochemical Oxygen Demand
The presence of small particles called metal ions that makes water hard are as follows,
except:
a. Iron
b. Calcium
c. Magnesium
d. Sodium
d. Sodium
__________ is where the soil or rock pores contain both air and water, but are not fully
saturated with water.
a. Saturated Zone
b. Vadose Zone
c. Confined Aquifer
d. NOTA
b. Vadose Zone
_________ is a water-bearing rock unit; an underground geological formation capable of holding water.
a. Aquifer
b. Watershed
c. Recharge Area
d. Aquitard
a. Aquifer
A species of meteoric water that is enriched with dissolved metals at 300 degrees Celsius.
a. Meteoric geothermal water
b. Meteoric spring water
c. Meteoric water
d. Rainwater
a. Meteoric geothermal water
How much Chlorine is dissolved in seawater?
a. 55%
b. 45%
c. 65%
d. 35%
a. 55%
The Philippine Clean Water Act of 2004, also known as ________, is a law that protects the country’s water resources from pollution
R.A. 9275
_________ an area of land drained by a river and its tributaries.
River basins
This is a measure of how steep the slope of the water table is. It tells us how quickly
water moves from one point to another underground
Hydraulic Gradient
Marine organisms use the _____ to construct their skeletons and shell.
bicarbonate ions /
HCO₃⁻¹
A liquid that emits vapor or can easily convert into vapor at normal temperature and pressure is called a ________.
volatile liquid
__________ is water contamination by sulfuric acid produced by seepage through sulfur-bearing spoil and tailings from coal and metal mining
Acid Mine Drainage
_____ is the density of water in a solid phase.
0.917 g/c3
The earliest evidence of Surface water dates to _________.
3.8 billion years ago
When a well is drilled, the water level in the well rises above the top of the aquifer due to this pressure and if the pressure is strong enough, water can flow out of the well without needing a pump, creating what is called an ____________.
Artesian Well
_________ is the area of land that generates total runoff for a particular stream system
Watershed
______ is the central theme in creation myths from many cultures. This is the water that existed before Earth was formed.
Primordial water
An event that occurred around 4-3.8 billion years ago where the outer planets’ orbit
shifted, resulting in comets being sent to earth
Late Heavy Bombardment
_________ is water that travels laterally or horizontally through the zone of aeration
during or immediately after a precipitation event and discharges into a stream or other body of water base flow
Interflow
The reaction of water with other substances is called _________.
Hydrolysis
. ______ is water abstraction from rivers
Sedimentation
